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<big><center>[[Reproductive System|'''BACK TO REPRODUCTIVE SYSTEM''']]</center></big>
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<big><center>[[Reproductive_System#Small_Domestic_Mammals|'''BACK TO SMALL DOMESTIC MAMMALS''']]</center></big>
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* Reproductive tract anatomy of both sexes is similar to that of the Mouse,Rat,Hamster and Gerbil.
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<big><center>[[Small_Mammals_-Mouse-_Anatomy_%26_Physiology|'''BACK TO MOUSE''']]</center></big>
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== Male ==
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== Penis ==
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* Os penis lies within the tissue of the penis.
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== Testes ==
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* Two testes in an external scrotum.
 
* Testes descend into the scrotum in January and begin spermatogenesis.
 
* Testes descend into the scrotum in January and begin spermatogenesis.
* Teats are absent
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* Open inguinal canals throughout life.
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** Allows testes to shrink and return to the abdomen in the non-breeding season.
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== Puberty and Sexual Maturity ==
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* Sexually mature at 6-7 weeks.
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== Mammary Gland ==
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* Teats are absent.
 
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