Difference between revisions of "Mouse Reproduction - Anatomy & Physiology"
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== Male == | == Male == | ||
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+ | * Os penis lies within the tissue of the penis. | ||
+ | |||
* Two testes in an external scrotum. | * Two testes in an external scrotum. | ||
* Open inguinal canals throughout life. | * Open inguinal canals throughout life. | ||
+ | ** Allows testes to shrink and return to the abdomen in the non-breeding season. | ||
Revision as of 12:25, 18 July 2008
Male
- Os penis lies within the tissue of the penis.
- Two testes in an external scrotum.
- Open inguinal canals throughout life.
- Allows testes to shrink and return to the abdomen in the non-breeding season.
- Sexually mature at 6-7 weeks.
- Teats are absent.
Female
- Bicornate uterus
- Short uterine body
- Single cervix
- Oestrus cycle 4-5 days.
- Post-partum oestrus.
- Delayed if lactating.
- Gestation period 19-21 days.
- Litter size 6-16
- Altricial young
- Eyes open at 12-14 days.
- Earliest weaning age 21 days.
- Care not to stress mother or she may cannibalise the young.
- 7 pairs of teats.