The jaws are a pair of opposable articulated structures at the entrance of the mouth , typically used for grasping and manipulating food. The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it and is part of the body plan of humans and most animals.
20-461: (Redirected from JAWS ) [REDACTED] Look up jaw or jaws in Wiktionary, the free dictionary. Jaws or Jaw can refer to: Anatomy [ edit ] Jaw , an opposable articulated structure at the entrance of the mouth Mandible , the lower jaw Arts, entertainment, and media [ edit ] Jaws (James Bond) ,
40-604: A lower jaw . The vertebrate jaw is derived from the most anterior two pharyngeal arches supporting the gills, and usually bears numerous teeth . The vertebrate jaw probably originally evolved in the Silurian period and appeared in the Placoderm fish which further diversified in the Devonian . The two most anterior pharyngeal arches are thought to have become the jaw itself and the hyoid arch, respectively. The hyoid system suspends
60-407: A 1978 American film Jaws 3-D , a 1983 American film Jaws: The Revenge , a 1987 American film Music [ edit ] Jaws (soundtrack) Jaws (album) , a 1958 album by Eddie "Lockjaw" Davis JAWS (band) , an English surf pop/alternative rock band from Birmingham "Jaws", a song by BAE173 from Intersection: Blaze "Jaws", a song by Lights from Pep "Jaws",
80-473: A character in The Spy Who Loved Me and Moonraker Jaws (novel) , a novel by Peter Benchley Jaws (ride) , a theme park attraction based on the film series Jaws (video game) , a 1987 NES video game, based on the film Films [ edit ] Jaws (franchise) Jaws (film) , a 1975 American film directed by Steven Spielberg based on the novel by Peter Benchley Jaws 2 ,
100-411: A flexible and relatively inexpensive way of flying as they are priced as a round-trip ticket, in most cases less expensive than purchasing two one-way flights between the destinations visited. Another market commonly traveled under an open-jaw itinerary is the one of local one-way tours. Take, for example, a tour of Florida, where a traveler flying into Jacksonville, Orlando, or Miami rents a car or joins
120-406: A pair of mechanical jaws Hydraulic rescue tools , of which one brand is known as the "Jaws of Life" Open jaw , or open-jaw, ticket, an airline return ticket whose destination and origin differ All pages with titles containing Jaw All pages with titles containing Jaws Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with
140-522: A proprietary programming language Java Web Start or JAWS, a system for launching Java applications outside of a web browser Other uses [ edit ] Jaws (beach) , a big-wave surfing area in Hawaii Japan Anthropology Workshop , abbreviated JAWS Jaffe Wins Above Replacement Score (JAWS), a sabermetric tool for evaluating a baseball player's Hall of Fame worthiness See also [ edit ] Grab (tool) ,
160-735: A song by Lemon Demon from the EP Nature Tapes People [ edit ] Jaw (Ćehu′pa) (c. 1850–1924), Hunkpapa Lakota winter count keeper and ledger art artist Jaw Shaw-kong , Taiwanese media personality and politician Aaron Homoki , American professional skateboarder Ron Jaworski , American football quarterback Joe Jordan (footballer) , Scottish footballer and coach Colin Lloyd , English darts player Darrell Waltrip , American race car driver Computing [ edit ] JAWS (screen reader) , for blind and vision-impaired computer users JAWS Scripting Language ,
180-467: Is an airline return ticket where the destination and/or the origin are not the same in both directions. The name is derived from how it looks when drawn on a map. There are three types: Using different airports in the same city is not considered an open-jaw, so a passenger on a London to JFK trip who returned from Newark would still be a simple round trip as both airports are considered to be serving metropolitan New York City . The open gaps between
200-586: Is substantially simplified compared to fish. Most of the upper jaw bones ( premaxilla , maxilla , jugal , quadratojugal , and quadrate ) have been fused to the braincase, while the lower jaw bones ( dentary , splenial , angular , surangular , and articular ) have been fused together into a unit called the mandible . The jaw articulates via a hinge joint between the quadrate and articular. The jaws of tetrapods exhibit varying degrees of mobility between jaw bones . Some species have jaw bones completely fused, while others may have joints allowing for mobility of
220-530: The therian mammal , the premaxilla that constituted the anterior tip of the upper jaw in reptiles has reduced in size; and most of the mesenchyme at the ancestral upper jaw tip has become a protruded mammalian nose . Sea urchins possess unique jaws which display five-part symmetry, termed the Aristotle's lantern . Each unit of the jaw holds a single, perpetually growing tooth composed of crystalline calcium carbonate . Open jaw An open-jaw ticket
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#1732855492531240-427: The cities show on the itinerary as ARNK, the same code that shows on an airline or agency's Global Distribution System . The term (pronounced arunk) means "arrival unknown". The reason for this is that airline reservation systems (and major GDSs) require the segments following on sequentially, so arriving at one city, and then departing from another, will cause the system to return an error message. The ARNK field tells
260-439: The dentary, quadrate, or maxilla. The snake skull shows the greatest degree of cranial kinesis , which allows the snake to swallow large prey items. In mammals, the jaws are made up of the mandible (lower jaw) and the maxilla (upper jaw). In the ape , there is a reinforcement to the lower jaw bone called the simian shelf . In the evolution of the mammalian jaw, two of the bones of the jaw structure (the articular bone of
280-516: The jaw from the braincase of the skull, permitting great mobility of the jaws. While there is no fossil evidence directly to support this theory, it makes sense in light of the numbers of pharyngeal arches that are visible in extant jawed vertebrates (the Gnathostomes ), which have seven arches, and primitive jawless vertebrates (the Agnatha ), which have nine. The original selective advantage offered by
300-598: The jaw may not be related to feeding, but rather to increased respiration efficiency. The jaws were used in the buccal pump (observable in modern fish and amphibians ) that pumps water across the gills of fish or air into the lungs in the case of amphibians. Over evolutionary time the more familiar use of jaws (to humans), in feeding, was selected for and became a very important function in vertebrates. Many teleost fish have substantially modified jaws for suction feeding and jaw protrusion , resulting in highly complex jaws with dozens of bones involved. The jaw in tetrapods
320-490: The jaws are chitinous and oppose laterally, and may consist of mandibles or chelicerae . These jaws are often composed of numerous mouthparts . Their function is fundamentally for food acquisition, conveyance to the mouth, and/or initial processing ( mastication or chewing ). Many mouthparts and associate structures (such as pedipalps ) are modified legs. In most vertebrates , the jaws are bony or cartilaginous and oppose vertically, comprising an upper jaw and
340-437: The lower jaw, and quadrate ) were reduced in size and incorporated into the ear , while many others have been fused together. As a result, mammals show little or no cranial kinesis , and the mandible is attached to the temporal bone by the temporomandibular joints . Temporomandibular joint dysfunction is a common disorder of these joints, characterized by pain, clicking and limitation of mandibular movement. Especially in
360-453: The system that this is intentional, and also allows for the ticketing system to blank the unused coupons of a ticket. A typical destination open-jaw would look like this on an itinerary, with the ARNK on the second segment to show that it is not being flown on that ticket. In some cases, this type of arrangement is needed for boat cruises that do not return to the departure city. In other cases,
380-447: The title Jaws . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Jaws&oldid=1256344942 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages jaw In arthropods ,
400-563: The traveller wishes to explore between two points and using alternative transport (e.g. buses, trains, ferries or flights on another ticket). For example, a traveller might fly from London to Bangkok, travel around Thailand by public transport and fly back home to London from Phuket. Another example would be a traveller flying from New York City to London, travelling around different countries in Europe by taking buses / trains or low-cost carrier flights, then returning from Vilnius. Open-jaw tickets are
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