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.
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.
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.
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