anatomy of a lobster

sternal artery

Canal circulating blood from the heart to the ventral artery of the lobster.

ventral nerve cord

Main element of the nervous system extending over the entire ventral portion of the body.

brain

Main organ of the nervous system; it is located in the cephalothorax.

dorsal abdominal artery

Canal circulating blood from the heart through the posterior dorsal portion of the lobster.

mouth

Anterior cavity of the digestive tract located on the lower surface of the cephalothorax; it lets food enter.

digestive gland

Organ producing a secretion that contributes to digestion.

anus

Terminal orifice of the digestive tract enabling ejection of fecal matter.

intestine

Section of the digestive tract from the pyloric stomach to the anus.

testis

Male genital glands producing spermatozoa (sperm).

ventral abdominal artery

Canal circulating blood from the heart through the posterior ventral portion of the lobster.

green gland

Organ producing a secretion that allows toxic substances to be eliminated from the body; its opening is located at the base of the antennae.

pyloric stomach

Posterior chamber of the stomach; food particles from the cardiac stomach are digested here.

cardiac stomach

Anterior chamber of the stomach; its calcareous parts grind food into fine particles so they can be digested in the pyloric stomach.

heart

Muscular organ helping blood to circulate.