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12 Cards in this Set

  • Front
  • Back
Which accessory sex organs do dogs have?
Prostate and ampulla
Which species have an os penis?
Dogs and cats
Which species have a sigmoid flexure?
Bull and boar
Which species has a preputial gland or diverticulum?
Only the boar
Which species have their testes located posteriorly?
Cat, pig, llama
Which species have their testes ventrally?
Bull, buck, ram
Which species have their testes horizontally-positioned?
Dog and horse
What is the temp. of testes?
4-7 degrees celsius cooler than core body temp.
What regulates the testes' temp.?
Cremaster muscle and tunica dartos, sweat glands on scrotal skin
Where does countercurrent heat exchange occur in the testes?
Pampiniform plexus
What is the most prominent structure within the testes?
Seminiferous tubules
What are the walls lined with (that maintain appropriate populations by mitotic activity)?
Spermatogonial stem cells