Difference between revisions of "Mouse Reproduction - Anatomy & Physiology"

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== Male ==
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<big><center>[[Reproductive System|'''BACK TO REPRODUCTIVE SYSTEM''']]</center></big>
  
=== Penis ===
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<big><center>[[Reproductive_System#Small_Domestic_Mammals|'''BACK TO SMALL DOMESTIC MAMMALS''']]</center></big>
  
* Os penis lies within the tissue of the penis.
 
  
  
=== Testes ===
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 +
== Male ==
  
 
* 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.
 
  
 
=== Puberty and Sexual Maturity ===
 
  
 
* Sexually mature at 6-7 weeks.
 
* Sexually mature at 6-7 weeks.
 +
----
  
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== Female ==
  
=== Mammary Gland ===
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* [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]]
 
 
* Teats are absent.
 
 
 
==Female==
 
 
 
=== Reproductive Tract ===
 
 
 
* [[Uterus - Anatomy & Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]]
 
 
** Short uterine body
 
** Short uterine body
** Single [[Cervix - Anatomy & Physiology|cervix]]
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** Single [[Female_Reproductive_Tract_-The_Cervix_-_Anatomy_%26_Physiology|cervix]]
 
 
 
 
=== Puberty and Sexual Maturity ===
 
  
* Sexually mature at 2-4 weeks.
 
  
 
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* Oestrus cycle 4-5 days.
=== Oestrous Cyclicity ===
 
 
 
* [[Oestrous Cycle - Anatomy & Physiology|Oestrus cycle]] 4-5 days.
 
 
* Post-partum oestrus.
 
* Post-partum oestrus.
** Delayed if [[Lactation - Anatomy & Physiology|lactating]].
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** Delayed if [[Reproductive_System#Lactation|lactating]].
  
  
=== Gestation and Offspring ===
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* [[Reproductive_System#Gestation|Gestation]] period 19-21 days.
  
==== Gestation ====
 
 
* Gestation period 19-21 days.
 
 
==== Litter ====
 
  
 
* Litter size 6-16  
 
* Litter size 6-16  
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* 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]]
 

Revision as of 11:39, 18 July 2008

BACK TO REPRODUCTIVE SYSTEM
BACK TO SMALL DOMESTIC MAMMALS



Male

  • Two testes in an external scrotum.
  • Open inguinal canals throughout life.


  • Sexually mature at 6-7 weeks.

Female


  • Oestrus cycle 4-5 days.
  • Post-partum oestrus.



  • 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.