Third maxilliped
Cheliped
2nd walking leg
(1st walking leg)
Male Crayfish
5th walking leg
3rd walking leg
4th Walking leg
Uropod
Telson
3rd – 5th swimmerets
Opening of
oviduct
3rd walking leg
Seminal
receptacle
4th walking leg
5th walking leg
1st swimmeret
Female Crayfish
Male Crayfish
Copulatory swimmeret
Pyloric Stomach
Anterior
gastric
muscle
Mandibular muscle
Cardiac
stomach
Digestive gland
Mandibular
muscle
Heart
Testis
Anterior gastric muscle
(Off cardiac stomach)
Pyloric stomach
Mandibular muscle
Heart
1.
A.
B.
C.
D.
E.
F.
Answers to #1
A.
B.
C.
D.
E.
F.
Anterior gastric muscle (off cardiac stomach)
Pyloric stomach
Mandibular muscle
Digestive gland
Heart
Testis
2.
A.
B.
C.
Answers to #2
A. Digestive gland
B. Heart
C. Testis
3.
A.
B.
C.
D.
Answers to #3
A.
B.
C.
D.
Anterior gastric gland (off cardiac stomach)
Pyloric stomach
Mandibular muscle
Digestive gland