Laboratory Exercise V                                    

Squalus acanthias

Urinary system:

*kidneys, *archinephric duct (know function in the adult of both sexes)

Reproductive system: know both sexes

Female: *ovaries, *mesovarium, *oviducts, *ostium tubae (may have been destroyed-- trace oviduct anteriorly until you find it), *shell gland, *uterus, *cloaca

Male: *testes, *mesorchium (with efferent ductules), *epididymis, *ductus deferends, *seminal vesicles, *sperm sacs, *claspers, *siphons

* Know function (use lab text as a guide).