Perch Anatomy Flashcards

Front

Anal fin

Back

The unpaired fin located immediately caudal to the anal and urogenital openings.

Front

Anterior

Back

Toward the head.

Front

Anus

Back

Posterior opening of the digestive system through which solid wastes exit the body.

Front

Aorta

Back

Vessel that carries blood from the heart to the gills.

Front

Atrium

Back

Thin-walled heart chamber that receives deoxygenated blood from the sinus venosus and passes it to the ventricle.

Front

Brain

Back

Organ of the nervous system that receives sensory information and controls both voluntary and involuntary movements and processes.

Front

Branchial arch

Back

Bone that supports the gill filaments.

Front

Bulbus arteriosus

Back

Extension of the ventral aorta that receives blood from the ventricle.

Front

Caudal (soft) dorsal fin

Back

Boneless fin on the dorsal surface of the trunk, posterior to the cranial dorsal fin; functions in coordination with the cranial dorsal fin and anal fin to help stabilize the fish as it swims.

Front

Cerebrum

Back

Portion of the telencephalon that functions primarily in interpreting olfactory signals.