Difference between revisions of "Mouse Reproduction - Anatomy & Physiology"
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| − | + | == Male == | |
| − | + | === Penis === | |
| + | * Os penis lies within the tissue of the penis. | ||
| + | === Testes === | ||
| − | == | + | * 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. | ||
| + | |||
| + | |||
| + | === Puberty and Sexual Maturity === | ||
| − | |||
* Sexually mature at 6-7 weeks. | * Sexually mature at 6-7 weeks. | ||
| − | |||
| − | |||
| − | * [[ | + | === Mammary Gland === |
| + | |||
| + | * Teats are absent. | ||
| + | |||
| + | ==Female== | ||
| + | |||
| + | === Reproductive Tract === | ||
| + | |||
| + | * [[Uterus - Anatomy & Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]] | ||
** Short uterine body | ** Short uterine body | ||
| − | ** Single [[ | + | ** Single [[Cervix - Anatomy & Physiology|cervix]] |
| + | |||
| + | === Puberty and Sexual Maturity === | ||
| − | * Oestrus cycle 4-5 days. | + | * Sexually mature at 2-4 weeks. |
| + | |||
| + | |||
| + | === Oestrous Cyclicity === | ||
| + | |||
| + | * [[Oestrous Cycle - Anatomy & Physiology|Oestrus cycle]] 4-5 days. | ||
* Post-partum oestrus. | * Post-partum oestrus. | ||
| − | ** Delayed if [[ | + | ** Delayed if [[Lactation - Anatomy & Physiology|lactating]]. |
| + | |||
| + | |||
| + | === Gestation and Offspring === | ||
| + | ==== Gestation ==== | ||
| − | * | + | * Gestation period 19-21 days. |
| + | ==== Litter ==== | ||
* Litter size 6-16 | * Litter size 6-16 | ||
| Line 32: | Line 56: | ||
* Earliest weaning age 21 days. | * Earliest weaning age 21 days. | ||
* Care not to stress mother or she may cannibalise the young. | * Care not to stress mother or she may cannibalise the young. | ||
| + | |||
| + | === Mammary Gland === | ||
| + | |||
| + | * 7 pairs of teats. | ||
| + | |||
| + | |||
| + | [[Category:Small Mammal Reproduction]] | ||
| + | [[Category:Bullet Points]] | ||
Latest revision as of 13:54, 5 July 2012
Male
Penis
- Os penis lies within the tissue of the penis.
Testes
- 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.
Puberty and Sexual Maturity
- Sexually mature at 6-7 weeks.
Mammary Gland
- Teats are absent.
Female
Reproductive Tract
- Bicornate uterus
- Short uterine body
- Single cervix
Puberty and Sexual Maturity
- Sexually mature at 2-4 weeks.
Oestrous Cyclicity
- Oestrus cycle 4-5 days.
- Post-partum oestrus.
- Delayed if lactating.
Gestation and Offspring
Gestation
- Gestation period 19-21 days.
Litter
- 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.
Mammary Gland
- 7 pairs of teats.