Tubeworm may refer to Tubeworm body plan , adaptation shared by the various tubeworm species Various tube building marine worms Individual of Genus Lamellibrachia Individual of Family Serpulidae Individual of Family Sabellidae Individual of Phylum Phoronida Individual of Order Microconchida Riftia pachyptila Giant tubeworm disambig simple Tubeworm ... more details
Merge Tubeworm date May 2010 File SerpulidCyprusPliocene01.jpg thumb Tube of a serpulid worm attached to a branch of the coral Cladocora from the Pliocene of Cyprus . A tubeworm is a worm like Sessility zoology sessile invertebrate that anchors its tail to an underwater surface and secretes around its body a mineral tube, into which it can withdraw its entire body. Tube worms are found among the following taxon taxa The phylum Annelid a a.k.a. segmented worms The class biology class Polychaete a a.k.a. bristle worms The order biology order Canalipalpata a.k.a. bristle footed annelids or fan head worms The family biology family Siboglinidae a.k.a. beard worms The species Riftia pachyptila a.k.a. giant tubeworm The genus Lamellibrachia The family Serpulidae The family Sabellidae a.k.a. feather duster worms The phylum Phoronid a a.k.a. horseshoe worms The order Microconchida extinct tubeworms Category Sabellida Category Body plans DEFAULTSORT TubeWorm Body Plan Biology stub da R rorm de R hrenwurm nl kokerworm ja ... more details
Taxobox name Giant Tubeworm image Nur04505.jpg image width 250px regnum Animal ia phylum Annelid a classis ... ref formerly grouped in phylum Pogonophora and Vestimentifera related to tubeworm body plan tubeworm s commonly found in the foreshore intertidal and pelagic zone s. Riftia pachyptila lives over ... 2.4 m ftin abbr on . The common name giant tubeworm is however also applied to the largest living species of shipworm , Kuphus polythalamia , which despite the name worm is a bivalve mollusc , not an annelid ... , etc. . The tubeworm does not have many predator s, as few creatures live on the sea bottom at such depths. If threatened, the plume may be retracted into the worm s protective tube. The plume provides ... Cells in the Hydrothermal Vent TubeWorm Riftia pachyptila Jones Possible Chemoautotrophic Symbionts ... chain s presumably each including associated heme structures . These tubeworm hemoglobins are remarkable ... tubeworm Riftia pachyptila. II. Complete polypeptide chain composition investigated by maximum ... acids in the bacteria, which are in turn released to the tubeworm. In order to transport nitrate to the bacteria ... small molecules dissolved in water. Tubeworm growth resembles that of hydroponically grown fungi, more ... title The Multi hemoglobin System of the Hydrothermal Vent TubeWorm Riftia pachyptila II. Complete ... TubeWorm page at the Smithsonian http education.eol.org podcast rifita Podcast on Giant TubeWorm ... DEFAULTSORT Giant TubeWorm Category Sabellida Category Monotypic animal genera Category Animals ... tubeworm fi Riftia pachyptila ... binomial Riftia pachyptila binomial authority M. L. Jones, 1981 Giant tube worms , Riftia pachyptila ... no digestive tract, but the bacteria which may make up half of a worm s body weight turn oxygen , hydrogen ... in chemosynthesis. For this reason, tube worms are partially dependent on sunlight as an energy ... to Lamellibrachia luymesi , the tube worms that live at deep sea cold seeps and grow very slowly for most ... more details
Lumbricus terrestris , the common earthworm. File Spaghetti Worm Loimia medusa.jpg 250px thumb right Eupolymnia crasscornis in Kona, Hawaii . File Chenille arc.JPG thumb An inchworm . The term worm ... a long cylindrical tube like body and no leg s. Most animals called worms are invertebrate s, but the term is also used for the amphibian caecilian s and the anguis fragilis slow worm Anguis , a legless ... worm s , marine nemertea n worms lineus longissimus bootlace worm s , marine Chaetognatha arrow worm s and insect larva e such as caterpillar s, grubs, and maggot s. Historical English speaking cultures have used the now deprecated terms worm , wikt Wurm Wurm , or wyrm to describe snake carnivorous reptiles serpents , and the related mythical beasts European dragon dragons . The term worm can ... Worm url http www.bbc.co.uk cornwall content articles 2009 04 07 nature worm feature.shtml title Cornwall Nature Superstar Worm publisher BBC date accessdate 2010 03 04 ref convert 6.7 m ft for the African ... view&id 102&Itemid 2 Worm Digest The Mighty Worm Bot generated title ref and convert 55 m ft for the marine nemertean worm bootlace worm , Lineus longissimus . ref Mark Carwardine Carwardine, M. 1995. The Guinness Book of Animal Records . Guinness Publishing. p. 232. ref Various types of worm occupy ... worm species may live on land, in marine or freshwater environments, or burrow. Distribution and habitat .... Classification In everyday language, the term worm is also applied to various other living forms .... The Guinea worm , for example, gets under the skin of the feet and legs of people living in tropical ... larva e are called worms , such as the railroad worm , woodworm , glowworm , Midge insect bloodworm , Geometer moth inchworm , mealworm , silkworm , Wooly worm Wooly bear worm . Worms may also be called helminths , particularly in medical terminology when referring to parasitic worm s, especially ... worm s, typically nematode roundworm s or tapeworm s. Ringworm is not a worm at all, but a skin ... more details
The Worm can refer to any of the following the signature finishing move of the professional wrestler Scott Garland wrestler Scotty 2 Hotty . a nickname of retired basketball star Dennis Rodman The worm dance move the main character in Antichrist Superstar , a Marilyn Manson album. The Bird and the Worm the first single off The Used s third studio album Lies for the Liars an Worm marketing interest measuring device used by an audience while listening to federal election candidates during debates in Australia an album by jazz organist Jimmy McGriff a song title off Audioslave s second album, Out of Exile the model organism Caenorhabditis elegans , commonly referred to by biologists as The Worm due to its constant study disambig ... more details
The Tube may refer to The London Underground The Tube , slang for Television , from the term cathode ray tube The Tube 2003 TV series , an ITV Sky programme featuring the work of staff on the London Underground The Tube 2012 TV series , a BBC documentary about those who work and travel on the London Underground The Tube TV series , a former Channel 4 UK music programme The Tube radio series , a Channel 4 Radio series The Tube Music Network , a US defunct music video channel The Port Authority Trans Hudson railroad linking New Jersey and New York, USA At least by older folks, see the References at the PATH article The series of tubes analogy, by Ted Stevens The Tube , a 1996 song by Ti sto Cardiff Bay Visitor Centre The Tube , known as The Tube because of its distinctive shape KTBU , known as 55 The Tube disambig ... more details
Wiktionary Tube , or Tubes , may refer to Construction Tube structure , used in structural applications Hollow structural section , used in structural applications Tube fluid conveyance , used in plumbing, irrigation, and other applications Electronics Vacuum tube , a component of electronics Cathode ray tube also called picture tube , a common component of electronics such as televisions and other displays Tube BBC Micro , an expansion bus on the BBC Micro computer Food Yoplait Tubes, the name for Go Gurt portable yog o urt in every country except America and the United Kingdom Geometry A hollow cylinder geometry Mechanics Pneumatic tube , a method of transportation utilising compressed air Inner tube, a Tire Inner tube component of vehicular tires Media The Tube TV series , a music related TV series by Channel 4 in the United Kingdom Tube band , a Japanese pop group Tube film , a 2003 Korean film Tube game , a freeware game from Bullfrog Productions Tube & Berger , the alias of dance electronica producers Arndt R rig and Marco Vidovic from Germany YouTube , a website that allows users ... Senator Ted Stevens in reference to net neutrality Paint Shop Pro Picture tubes Picture tube , a term ... pages a colloquial term for television The Tube Music Network , a music video network that operated ... Nature Eustachian tube , part of the structure of the ear Lava tube , found in volcanic regions The inside of a hollow wave in surfing Packaging Tube container , a packaging solution for pasty and viscous goods such as toothpaste Photography Extension tube , a tool for macro photography Theatre Blue Man Group s theatrical show, TUBES , now called Rewired Science Test tube , a piece of laboratory ... known as The Tube Transbay Tube , an underwater rail tube across San Francisco Bay See also The Tube ... root word Tubing disambiguation Disambig ca Tub da R r de Tube es Tubo fr Tube it Tube he nl Tube ja ... more details
Unreferenced date March 2007 File Proboscis worm.JPG thumb right 150px An example of a marine worm, the Parborlasia corrugatus lives at depths of up to 4,000 metres. Any worm that lives in a ocean marine environment biophysical environment is considered a marine worm . Marine worms are found in several different phylum biology phyla , including the Platyhelminthes , Nematoda , Annelida segmented worms , Chaetognatha , Hemichordata , and Phoronida . These worms have specialized tentacles used for exchanging oxygen and giving out carbon dioxide, plus they are used for reproduction. Some marine worms are tubeworm body plan tubeworm s, of which the giant tubeworm lives in waters near underwater volcanoes , and can withstand temperatures up to 90 degrees Celsius or about 194 degrees Fahrenheit. Some worms can live in the trench. These worms were first discovered in the Pacific Ocean off the Galapagos Islands. DEFAULTSORT Marine worm Category Aquatic organisms Invertebrate stub la Vermis marinus ... more details
Taxobox name Peacock worm image image caption regnum Animal ia phylum Annelida classis Polychaeta ordo Canalipalpata subordo Sabellida familia Sabellidae genus Sabella genus Sabella species S. pavonina binomial Sabella pavonina binomial authority Marie Jules C sar Savigny Savigny , 1820 The peacock worm Sabella pavonina is a marine polychaete worm belonging to the family Sabellidae . It occurs along the coasts of Western Europe and the Mediterranean . It is found in shallow, tidal waters with a bed of mud, sand or gravel. It is sometimes found on rocks or shipwreck s. It is 10 25 centimetres in length. Its body is elongated and divided into 100 600 small segment biology segments . The head has two fans of feathery tentacle s arising from fleshy, semi circular lobes. The body is mostly grey green while the tentacles are brown, red or purple with darker bands. The worm lives inside a smooth tube of fine mud or sand particles held together with mucus . The tube stands upright with the lower end attached to stones and the upper end protruding from the sea bed. When covered by water, the worm extends its tentacles out of the tube to feed by filtering out small food particles. At low tide or when disturbed, it withdraws back into the tube. References Barrett, John & Yonge, C. M. 1977 Collins Pocket Guide to the Sea Shore , Collins, London. Forey, Pamela & Fitzsimons, Cecilia 1994 Letts Pocket Guide to Sea & Seashore Life , Letts, London. Naylor, Paul 2003 Great British Marine Animals , Sound Diving Publications. External links http www.arkive.org species ARK invertebrates terrestrial and freshwater Sabella pavonina ARKive images and video annelid stub Category Polychaetes cs Sabella pavonina de Pfauenfederwurm fr Sabella pavonina it Sabella penicillus nl Sabella pavonina ... more details
DISPLAYTITLE Pectinaria worm Taxobox name Pectinaria image Pectinaria koreni with and without tube .jpg image caption Pectinaria koreni regnum Animal ia phylum Annelida classis Polychaeta subclass Palpata ordo Canalipalpata subordo Terebellida familia Pectinariidae genus Pectinaria genus authority Savigny in Lamarck , 1818 subdivision ranks Species subdivision See text. Pectinaria is a genus of sand tube building annelid fanworms in the family Pectinariidae . Species Pectinaria articulata Pectinaria australis small Ehlers, 1904 small Pectinaria belgica small Pallas, 1766 small Pectinaria californiensis Pectinaria chilensis small Nilsson, 1928 small Pectinaria gouldii small Verrill small Pectinaria granulata small Linnaeus , 1767 small Lagis koreni Pectinaria koreni small Malmgren, 1866 small Pectinaria longipes Pectinaria meridithi small Long, 1973 small Expand list date August 2008 References ITIS id 67706 taxon Pectinaria Annelid stub DEFAULTSORT Pectinaria Worm Category Polychaetes ca Pectinaria nl Pectinaria ... more details
history guides volume 26 isbn 9780520059245 page 48 ref or honeycomb tubeworm , ref name LiMPETS cite web url http limpetsmonitoring.org invert honeycomb.php title Honeycomb TubeWorm publisher LiMPETS accessdate 2009 10 31 ref is a reef forming marine polychaete worm belonging to the family ... research http www.youtube.com watch?v MpX4I1h77DQ University of Utah video of worm building tube ...dablink For the other animal called honeycomb worm , see Sabellaria alveolata . Taxobox name Sandcastle Worm image Sandcastle worm in laboratory closeup.jpg image caption A sandcastle worm in captivity, building its tube out of sand and white ceramic beads. regnum Animal ia phylum Annelida classis Polychaeta ordo Canalipalpata subordo Sabellida familia Sabellarididae genus Phragmatopoma species P. californica binomial Phragmatopoma californica binomial authority Kinberg, 1867 The sandcastle worm Phragmatopoma californica , also called the honeycomb worm ref name Hinton cite book last Hinton first Sam title Seashore life of southern California an introduction to the animal life of California beaches ...&pg PA131 131 . ref The worm inhabits the Californian coast , from Sonoma County to northern ... page 233 ref Sandcastle worms live in colonies, building tube reef s somewhat similar to sandcastle ..., they extend their tentacles out of the tube to catch food particles and sand grains. The grains are sorted, with the best ones used to keep the tube in repair, ref name Hinton 131 and the rest ejected ... to build its protecting tube was made of specific proteins with opposite charges. Those proteins ... that the worm produces at once is approximately 100 picoliter s, requiring 50 million to fill a teaspoon ... releases 2009 08 090817184433.htm title Secrets Of The Sandcastle Worm Could Yield A Powerful ... 12, 2010 accessdate April 13, 2010 ref Footnotes reflist External links File Sandcastle worm colony in laboratory.jpg thumb A colony of worm tubes removed from the beach. commonscat inline Phragmatopoma ... more details
Spaghetti worm can refer to Terebellid polycheate worm Trypanorhynch cestode worm disambig Long comment to avoid being listed on short pages ... more details
File RichardScarrysBusytown.PNG thumb Lowly Worm as depicted on the title screen of Richard Scarry s Busytown Lowly Worm is a fictional character created by Richard Scarry he frequently appears in children s books by Scarry, and is a main character in the animated series The Busy World of Richard Scarry and Busytown Mysteries . ref citation url http books.google.co.uk books?id U3rJxPYT32MC&pg PA710 title The guide to United States popular culture author Pat Browne ref ref citation url http pqasb.pqarchiver.com courant access 114545163.html?dids 114545163 114545163 title Remember the Lowly Worm? journal Hartford Courant date May 11, 1994 ref In The Busy World of Richard Scarry he is voiced by Keith Knight actor Keith Knight . Lowly is an anthropomorphic earthworm . He usually wears a Tyrolean hat Tyrolean fedora on his head, which pays homage to the hat which Richard Scarry purchased in St. Anton in 1950 and often wore during visits to his publishers in New York City. ref cite web title Have A Very Scarry Summer url http www.sterlingpublishing.com kids a summer of scarry publisher Sterling Publishing accessdate 2010 07 03 ref Lowly also wears a shoe on the end of his tail, a blue and green tube on his body intended to resemble a sleeveless shirt and one legged trousers , and a red bow tie . His best friend is Huckle Cat, he lives in Busytown , and he drives an apple shaped car. In various episodes of The Busy World of Richard Scarry and in the computer games Richard Scarry s Busytown and How Things Work in Busytown it is revealed that the car can also fly much like a helicopter . Lowly attends school with Huckle and plays with him and his friends, but also takes part in more adult activities, such as driving a car. Hilda Hippo also has a crush on him, which he s reluctant ...&slug 1908645 publisher Seattle Times accessdate 2010 07 03 quote The Lowly worm was his very favorite character for all the children, she said. ref About 500,000 Lowly Worm and Huckle Cat finger puppet ... more details
Unreferenced date March 2008 The L10n worm usually pronounced lion was a Linux Computer wormworm that spread in 2001 by exploiting a buffer overflow in the BIND Domain Name System DNS server. It was based on an earlier worm known as the Ramen worm commonly, albeit incorrectly referred to as the Ramen Virus which was written to target systems running versions 6.2 and 7.0 of the Red Hat Linux distribution. See also Linux malware malware stub Category Exploit based worms L10n worm Category Linux malware ca L10n worm pt L10n worm ... more details
Apple worm may refer to Codling moth , organism Apple Worm , computer program disambig Long comment to avoid being listed on short pages ... more details
The Indus Worm from Bestiary Medieval bestiaries was a giant, white, carnivorous worm that lived in the Indus River . ref cite web url http www.theoi.com Thaumasios WormsIndos.html title Indus Worm accessdate 2008 12 28 work Theoi Greek Mythology ref See also Mongolian death worm References references DEFAULTSORT Indus Worm Category Medieval European legendary creatures legendary creature stub ... more details
Wiktionary worm A worm is an elongated Soft bodied organisms soft bodied invertebrate animal. Worm , WORM or Worms , may also refer to Culture WORM Rotterdam , a non profit foundation focused on experimenal art and music. Places Worms, Germany , a city on the Rhine Science and technology Computer worm , a self propagating piece of malicious software Write Once Read Many , or WORM , a characteristic of data storage media Worm, in engineering, a screw like object that engages with a worm drive Worm marketing , a market research technique The NASA logo worm which has been retired from official use since 1992 Ringworm , a fungal disease of the skin Parasitic worm , worm like organisms that live and feed off living hosts World Register of Marine Species , WoRMS People Dennis Rodman , as his nickname Alfred Worm 1945 2007 , Austrian investigative journalist Ole Worm 1588 1655 , Danish physician Rutger Worm 1986 , Dutch footballer A common oilfield term, sometimes derogatory, for a junior roughneck or inexperienced oil hand Entertainment Worms series Worms series , a series of Video games from Team17 Worms 1995 video game Worms 1995 video game , first video game of Worms series WORM AM , a radio station 1010 AM licensed to Savannah, Tennessee, United States WORM FM , a radio station 101.7 FM licensed to Savannah, Tennessee, United States Worm comics , a Marvel Comics character Worm , a song by the band Ministry band Ministry Worm , a science fiction novel by John Brosnan Lester Worm Murphy, a character played by Edward Norton in Rounders 1998 film Weapon Of Raid Machines, antagonists in the anime Sky Girls Worm, The First Digital World War, a non fiction book by Mark Bowden on fight against the Conficker computer worm See also The Worm disambiguation Deworming , the process of treating ... pages ca Worms desambiguaci cy Worm de Worm es Worms fr Worm os he ms Cacing nyahkekaburan nl Worm ja ru sk erv sv Worm th zh ... more details
Worm snake is the common name sometimes given to several of snakes. They share the characteristics of small size, primarily subterranean habitat, non functioning or small eyes, and varying resemblance to earthworms. Many are also known as Blind snake s, the alternative common name. The worm snake is indeed a snake although there are myths of it possibly being a lizard with very tiny legs. There are also myths of the worm snake possibly being the offspring of a male snake and a female worm, this is not true though. Genera of snakes often called worm snakes Carphophis , American worm snakes Typhlina , sometimes also referred to as shield tailed snakes, or the African worm snake Typhlops , sometimes also referred to as burrowing snakes disambig ... more details
Canker worm may refer to following inchworms Alsophila pometaria , the Fall cankerworm Paleacrita vernata , the Spring cankerworm disambig ... more details
multiple issues notability October 2010 unreferenced October 2010 orphan October 2010 A variant of TrojanB .worm. A Computer worm worm remotely accessing e mail s and changing their password s with random characters. Little is known yet about this particular kind of worm as it didn t spread globally, but is only infecting Asia n countries. Date Recognized 10 03 2010 Category Computer worms ... more details
About a low impact worm from 2001 the trojan horse responsible for the Storm botnet Storm Worm Orphan date December 2007 No footnotes date March 2010 The W32.Storm.Worm malware is a computer worm , released in 2001, that infects unpatched systems running the Microsoft Internet Information Services IIS server and begins a denial of service attack on http www.microsoft.com. It is a low impact, low infection worm that is removed by all major antivirus software antivirus solutions since 2001. W32.Storm.Worm is unrelated to the much more dangerous Nuwar or Small.dam worm, commonly referred to as the Storm Worm , which is responsible for the extensive Storm botnet . References http www.symantec.com security response writeup.jsp?docid 2001 060615 1534 99 malware stub Category Computer worms ... more details
Infobox album See Wikipedia WikiProject Albums Name Worm Infested Type ep Artist Cannibal Corpse Cover Worminfested.jpeg Released July 1, 2003 Recorded 1996 2001 in various locations Genre Death metal Length 22 42 Label Metal Blade Records Metal Blade Producer Neil Kernon & Cannibal Corpse Reviews Last album Gore Obsessed br 2002 This album Worm Infested br 2003 Next album 15 Year Killing Spree br 2003 Worm Infested is the second EP by American death metal band Cannibal Corpse , released in 2003 through Metal Blade Records . Primarily a compilation EP, the songs were recorded by the band at various times and locations between 1996 2001. Track listing Systematic Elimination recorded during the Gore Obsessed sessions 2 53 Worm Infested recorded during the Gore Obsessed sessions 3 29 Demon s Night Accept cover, recorded during the Gallery of Suicide sessions 4 16 The Undead Will Feast re recording of the song from Eaten Back to Life with George Fisher musician Corpsegrinder on vocals during the Vile album Vile sessions 2 53 Confessions Possessed band Possessed cover, recorded during the Bloodthirst sessions 2 56 No Remorse Metallica cover, recorded during the Gore Obsessed sessions 6 15 External links Cannibal Corpse Category Cannibal Corpse albums Category 2003 EPs Category Albums produced by Neil Kernon Category Metal Blade Records EPs 2000s death metal album stub es Worm Infested it Worm Infested hu Worm Infested nl Worm Infested pl Worm Infested pt Worm Infested ro Worm Infested ru Worm Infested fi Worm Infested sv Worm Infested uk Worm Infested ... more details
orphan date October 2009 Anti worm has multiple meanings within the field of computer security . It can be a piece of software designed to protect against computer worm s, combining the features of anti virus software and a personal firewall . It can also mean a worm designed to do something that its author feels is helpful. Concept The concept of anti worms is a proactive method of dealing with virus and computer worm outbreaks. Just like malicious computer worms, anti worms reach computers by scanning IP ranges and placing a copy of themselves on vulnerable hosts. The anti worm then patches the computer ... the so called anti worm . Their position is that no code should be run on a system without the system owner s consent. Worm code, even if its author has good intentions, can wreak havoc on a network ... worm was released shortly before Christmas 2004 and spread quickly, using Google to search for vulnerable versions of phpBB . The worm exploited a Computer bug bug in the phpBB software to infect the host, defacing the website and deleting all of the messages stored on the forums. The worm was poised ... days after the worm s launch, someone released another worm to combat the Santy worm and patch the vulnerable phpBB forum. The anti Santy worm spread quickly affecting thousands of servers running the phpBB. However, the anti santy worm caused problems of its own. Many site administrators reported that the anti worm crashed their systems by flooding them with requests, resulting in a denial of service attack . Others reported that the patch did not work. Whether or not the anti worm had a significant positive impact on the spread Santy worm is unknown. Within several hours of Santy s release, Google blocked the search string the worm was using to find vulnerable hosts. Thus, the worm could not find new hosts to infect. There is no way to determine if Google s actions or the anti Santy worm ... worm Code Red worm. ref http www.vnunet.com news 1125206 Anti worms fight off Code Red threat ... more details
for the computing term WORM drive Write Once Read Many File CNAM IMG 0602.jpg thumb Worm and worm gear A worm drive is a Gear gear arrangement in which a worm which is a gear in the form of a Screw thread screw meshes with a worm gear which is similar in appearance to a Gear Spur spur gear , and is also called a worm wheel . The terminology is often confused by imprecise use of the term worm gear to refer to the worm, the worm gear, or the worm drive as a unit. Like other gear arrangements, a worm .... The image shows a section of a gear box with a worm gear being driven by a worm. A worm is an example of a screw simple machine screw , one of the six simple machine s. Explanation File Worm Gear.gif thumb Worm gear with 4 start worm A transmission mechanics. gearbox designed using a worm and worm ... axes at 90 to each other. With a single start worm, for each 360 turn of the worm, the worm gear advances only one tooth of the gear. Therefore, regardless of the worm s size sensible engineering limits notwithstanding , the gear ratio is the size of the worm gear    to    1 . Given a single start worm, a 20 tooth worm gear will reduce the speed by the ratio of 20 1. With spur gears ... to that of the 20 tooth gear, the worm arrangement is considerably smaller in volume. Image doublebass scroll.jpg thumb left 200px A double bass features worm gears as tuning mechanisms Types There are three different types of gears that can be used in a worm drive. The first are non throated worm gears. These don t have a throat , or groove, machined around the circumference of either the worm or worm wheel. The second are single throated worm gears, in which the worm wheel is throated. The final type are double throated worm gears, which have both gears throated. This type of gearing can support the highest loading. ref Cite web title Worm Gears url http www.gearshub.com worm gears.html accessdate 2009 05 01 ref harv ref An enveloping hourglass worm has one or more teeth and increases in diameter ... more details