Internal anatomy of a bony fishDonna G
RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook gill raker (redirected fromFish anatomy) Also found in:Dictionary,Thesaurus,Medical,Wikipedia. gill raker [′gil ‚rāk·ər] (vertebrate zoology) One of the bony processes on the inside of the branchial arche...
exoskeleton - the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs 4. skeleton - the internal supporting structure that gives an artifact its shape; "the building has a steel skeleton" sk...
Fish muscle is structurally similar to that of other vertebrates, and fishes possess the same three kinds of muscles, but differ in that a greater proportion (40–60%) of the mass of a fish’s muscle is made up of locomotory muscle. Among the three types,skeletalmuscle is striated and co...
2. The seat of the faculty of reason; intelligence, intellect, or mind: I did the figuring in my head. 3. Mental ability or aptitude: She has a good head for mathematics. 4. Freedom of choice or action: Give the child his head and see how well he solves the problems. 5. Slang ...
Bony fishes have two opercula, on each side of the body. In addition to protecting the gills, the operculum serves to regulate the flow of water on top of the gills as part of fish respiration. The lateral line is a chain of canals that run from the fish's operculum along the body...
Bone, rigid body tissue consisting of cells embedded in an abundant hard intercellular material. Bone tissue makes up the individual bones of the skeletons of vertebrates. Its two principle components are collagen and calcium phosphate. Learn more about
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The human eye is a spheroid structure that rests in a bony cavity (socket, or orbit) on the frontal surface of the skull. The thick wall of the eyeball contains three covering layers: the sclera, the choroid, and the retina. The sclera is the outermost layer of eye tissue; part of ...
Teleost, (infraclass Teleostei), any member of a large and extremely diverse group of ray-finned fishes. Along with the chondrosteans and the holosteans, they are one of the three major subdivisions of the class Actinopterygii, the most advanced of the b