Fish Flashcards
another word for Spinal Column
Vertebral Column
temporary group of cells unique to vertebrates that arise from the embryonic ectoderm cell layer
Neural Crest
an external membranous process of an aquatic animals. used in propelling or guiding a body.
Fin
small, thin bony plates protecting t skin of fish and reptiles
Scale
structure that closes or covers an aperture. gill cover
Operculum
two upper cavities of the heart from which blood is passed to the ventricles. Right Atrium receives deoxygenated blood and the left atrium recieves oxygenated blood
Atrium
Hallow part or cavity. 2 main chambers of the heart.
Ventricle
One of functional units of the kidney. Consisting of a glomerulus and its assiciated tubule, through whuch the glomerular filtrate passes before emerging in urine
Nephron
Visible line along the side of a fish consisting of a series of sense organs that detect pressure vibration
Lateral Line
release or deposit of eggs
Sqawning
gas filled sac present in the body of many bony fishes. Used to maintain and control bouyancy
Swim Bladder
Class: Agnatha
Lacks Jaws
Jawless Fish
Class: Chonfrichthyes
has a skeleton of cartilage rather than bone.
Sharks, Rays, Chimeras
Cartilaginous Fish
Class: Osteichthyes
Skeleton of Bone
Bony Fish
Geological perios of the paleozoic
Devonian Period