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| − | == Male ==
| + | <big><center>[[Reproductive System|'''BACK TO REPRODUCTIVE SYSTEM''']]</center></big> |
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| − | === Penis ===
| + | <big><center>[[Reproductive_System#Small_Domestic_Mammals|'''BACK TO SMALL DOMESTIC MAMMALS''']]</center></big> |
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| − | * Os penis lies within the tissue of the penis.
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| − | === Testes ===
| + | * [[Mouse -Male- Anatomy & Physiology|Male]] |
| − | | + | * [[Mouse -Female- Anatomy & Physiology|Female]] |
| − | * Two testes in an external scrotum.
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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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| − | ==Female==
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| − | === Reproductive Tract ===
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| − | * [[Uterus - Anatomy & Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]] | |
| − | ** Short uterine body
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| − | ** Single [[Cervix - Anatomy & Physiology|cervix]]
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| − | === Puberty and Sexual Maturity ===
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| − | * Sexually mature at 2-4 weeks.
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| − | === Oestrous Cyclicity ===
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| − | * [[Oestrous Cycle - Anatomy & Physiology|Oestrus cycle]] 4-5 days. | |
| − | * Post-partum oestrus.
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| − | ** Delayed if [[Lactation - Anatomy & Physiology|lactating]].
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| − | === Gestation and Offspring ===
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| − | ==== Gestation ====
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| − | * Gestation period 19-21 days.
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| − | ==== Litter ====
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| − | * Litter size 6-16
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| − | * Altricial young
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| − | ** Eyes open at 12-14 days.
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| − | * Earliest weaning age 21 days.
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| − | * Care not to stress mother or she may cannibalise the young.
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| − | === Mammary Gland ===
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| − | * 7 pairs of teats.
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| − | [[Category:Small Mammal Reproduction]]
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| − | [[Category:Bullet Points]]
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