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Rat Reproduction - Anatomy & Physiology (view source)

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* [[Rat -Female- Anatomy & Physiology|Female]]

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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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~~----~~

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~~== Testes ==~~

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* Two testes in an external scrotum.

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* Open inguinal canals throughout life.

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** Allows the testes to shrink and return to the abdomen during the non-breeding season.

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~~----~~

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~~== Puberty and Sexual Maturity ==~~

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* Sexually mature at 6-8 weeks

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~~----~~

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~~== Mammary Gland ==~~

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* Teats are absent.

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~~----~~

== Female ==

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