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Rat Reproduction - Anatomy & Physiology (view source)
Revision as of 11:50, 21 July 2008
, 11:50, 21 July 2008no edit summary
* [[Rat -Male- Anatomy & Physiology|Male]]
* [[Rat -Male- Anatomy & Physiology|Male]]
* [[Rat -Female- Anatomy & Physiology|Female]]
* [[Rat -Female- Anatomy & Physiology|Female]]
= Male =
== Penis ==
* Os penis lies within the tissue of the penis.
== Testes ==
* Two testes in an external scrotum.
* Open inguinal canals throughout life.
** Allows the testes to shrink and return to the abdomen during the non-breeding season.
== Puberty and Sexual Maturity ==
* Sexually mature at 6-8 weeks
== Mammary Gland ==
* Teats are absent.