Fish Flashcards
Vertebral Column
The major function of the vertebral column is protection of the spinal cord
fin
normally holds against its body, and expands when threatened to scare predators
Neural crest
cells originating from different positions along the anterior-posterior axis develop into various tissue
Scale
the covering of a fish
Operculum
bony flap covering the gills of a teleost fis
Atrium
heart chamber that receives blood into the heart and drives it into a ventricle, or chamber, for pumping blood away from the hear
Ventricle
A chamber of the heart that receives blood from one or more atria and pumps it into the arteries.
Nephron
functional unit of the kidney
Lateral line
is a system of sense organs found in aquatic vertebrates
Spawning
is the eggs and sperm released or deposited into water by aquatic animals
Swim bladder
is an internal gas-filled organ that contributes to the ability of many bony fish to control their buoyancy
Jawless Fish
have a long, cylindrical body and a cartilaginous skeleton
Cartilaginous fish
including the sharks, skates, and rays, having a skeleton composed entirely of cartilage
Bony fish
having a skeleton that is completely made of bone
Bowfin/Dogfish
greenish, big black dot on back fin