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22 terms

Parts of a Crayfish

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Vas Deferens
sperm duct
Swimmerets
small leg-like structures under the tail of the crayfish
Digestive Gland
near the stomach, it enters the intestine for further digestion and absorption
Abdominal ganglion
Clutch of nerves around the abdominal area.
Rostrum
crayfish's helmet
Cardiac stomach
the enlarged foregut of some crustaceans, echinoderms, and other animals
Ventral nerve cord
Carries message to\/ from body to\/ from ganglia
Telson
Center of the tail.
Antennule
a small antenna or similar organ
Excretory pore
the pore that excrets fluids
mouth
opening where food is consumed.
ostia
openings in heart
antennae
feelers on an arthropod's head that respond to touch, taste, or smell
brain
located behind eye
Esophagus
"food tube"
heart
an area that is approximately central within some larger region
intestine
the part of the alimentary canal between the stomach and the anus
dorsal abdominal artery
central artery coming from the heart.
uropod
the appendage on a crayfish that aids in swimming
Green gland
one of a pair of glands (believed to have excretory functions) in some crustaceans near the base of the large antennae
anus
opening through which wastes leave the digestive tract
1st pair of swimmerets
determines the sex of the crayfish