fish Flashcards
fish
vertebral column
the animal subphylum Vertebra, or vertebrates, of the phylum Chordata
neural crest
a collection of multipotent stem cells located at the side of the neural tube proximal to the epidermal layer after neurulation
fin
a flattened appendage on various parts of the body of many aquatic vertebrates and some invertebrates, including fish and cetaceans, used for propelling, steering, and balancing
scale
a small rigid plate that grows out of the skin of a fish
operculum
a structure that closes or covers an aperture
atrium
receives oxygen-depleted blood and pumps it into the ventricle, the ventricle is the largest and most muscular chamber of the heart
ventricle
muscular chamber that pumps blood out of the heart
nephron
each of the functional units in the kidney, consisting of a glomerulus and its associated tubule, through which the glomerular filtrate passes before emerging as urine
lateral line
a sensory system that allows fishes to detect weak water motions and pressure gradients
spawn
have babies
swim bladder
a gas-filled organ in the dorsal coelomic cavity of fish that maintains buoyancy
jawless fish
any of various primitive fish of the class Agnatha that lack jaws
Cartilaginous fish
a class of jawed fish that contains the cartilaginous fish or chondrichthyians, which all have skeletons primarily composed of cartilage
bony fish
a diverse superclass of vertebrate animals that have skeletons primarily composed of bone tissue
bowfin/dogfish
a bony fish, native to North America. Common names include mudfish, mud pike, dogfish, grindle, grinnel, swamp trout, and choupique