Gill chamber definition
WebFish gill respiration Fish gill structure In bony fish, the gills lie in a branchial chamber covered by a bony operculum ( branchia is an Ancient Greek word for gills). The great majority of bony fish species have five pairs of gills, although a few have lost some over the course of evolution. WebIn most predacious fishes it is a simple straight or curved tube or pouch with a muscular wall and a glandular lining. Food is largely digested there and leaves the stomach in liquid form. Between the stomach and the intestine, ducts enter the digestive tube from the liver and pancreas. The liver is a large, clearly defined organ.
Gill chamber definition
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WebDefinition of Term gill chamber (English) The space between the branchial arches and the gill cover (operculum) into which the gill filaments project; the space on each side of the head containing the gills. (See also: gill arch, gill cover, gill) cavité branchiale (French) Espace entre les arcs branchiaux et l'opercule (operculum) qui abrite les filaments … WebThe gills of the shark are lined on either side by gill filaments. These gill types are called holobranchs. The gills associated with the spiracle and sixth gill are hemibranchs because gill filaments are found on one side only. An afferent branchial arteriole runs along the interbranchial septum.
WebVertebrates with a suctorial or filter-feeding mouth; no true jaws; 2 (possibly 1 sometimes) semicircular canals; pelvic fins lacking; pectoral finlike structures, when present, lacking fin rays; persistent notochord, without bone or cartilage; bony skeleton, when present, formed in skin; true gill arches absent, gill basket present. WebLooking closely at this appendage (mouse over the label for detail), there is a spatulate organ that forms part of the leg, called the flabellum, whose function is to test the composition of the water passing to the gill chamber. Towards the tail are five branchial "legs" which are commonly called the book gills. (Click here for a microscopic view.
WebDefinition of Spiracles. Usually, some animals have openings on the surface of their skin, which usually lead to respiratory systems. Insects sometimes have it on their … WebFish gill slits may be the evolutionary ancestors of the tonsils, thymus gland, ... In bony fish, the gills lie in a branchial chamber covered by a bony operculum (branchia is an Ancient Greek word for gills). The great …
Webgill: [noun] a unit of liquid capacity equal to four fluid ounces — see Weights and Measures Table.
WebThe gill chamber is located on each lateral side of the cephalothorax and covered by the gill cover or branchiostegite. (iii) Origin of gills in crustacean: ADVERTISEMENTS: Gills … geometry books high schoolhttp://campus.murraystate.edu/academic/faculty/tderting/anatomyatlas/RogersDay/gillstructr2.html geometry book online glencoechristal tipsWebgill cover (operculum) A hard but flexible cover which, in bony fish, forms the outer wall of the gill chamber. It protects the gills and also plays a major role in the pumping … geometry box game downloadA gill is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist. The microscopic structure of a gill presents a large surface area to the external environment. Branchia (pl. branchiae) is the zoologists' name for gills (from Ancient Greek βράγχια). christal transporthttp://campus.murraystate.edu/academic/faculty/tderting/anatomyatlas/RogersDay/gillstructr2.html christal trackingWebgill bailer: [noun] a flat membranaceous expansion of the second maxilla in the crayfish and other decapod crustaceans by which water is scooped out of the gill cavity — … geometry box in tamil