Changes

* Ductus deferens is accompanied by the deferent artery and vein.

* Ductus deferens is accompanied by the deferent artery and vein.

** With the [[PNS Structure - Anatomy & Physiology|nerves]] and [[Lymphatic_Vessels_-_Anatomy_%26_Physiology|lymphatic vessels]], form the spermatic cord.

** With the [[PNS Structure - Anatomy & Physiology|nerves]] and [[Lymphatic_Vessels_- Anatomy & Physiology|lymphatic vessels]], form the spermatic cord.

* Spermatic cord passes cranially to the inguinal canal into the abdomen.

* Spermatic cord passes cranially to the inguinal canal into the abdomen.

* Testicular artery then splits off from the spermatic cord.

* Testicular artery then splits off from the spermatic cord.

==== Histology ====

==== Histology ====

* Testes, blood vessels, [[PNS Structure - Anatomy & Physiology|nerves]], [[Lymphatic_Vessels_-_Anatomy_%26_Physiology|lymphatics]] and ductus deferens are wrapped in a pouch of peritoneum called the Vaginal Sac.

* Testes, blood vessels, [[PNS Structure - Anatomy & Physiology|nerves]], [[Lymphatic_Vessels_- Anatomy & Physiology|lymphatics]] and ductus deferens are wrapped in a pouch of peritoneum called the Vaginal Sac.

** Extends through the inguinal canal in development prior to testicular descent.

** Extends through the inguinal canal in development prior to testicular descent.

==== Ovary ====

==== Ovary ====

* Left [[Female_Reproductive_Tract_-The_Ovary_-_Anatomy_%26_Physiology|ovary]] lies caudal to the middle of the 14th [[Musculoskeletal_System Overview_-_Anatomy_%26_Physiology#Ribs_and_Sternum|rib]] and caudal to the left [[Macroscopic Renal Anatomy - Anatomy & Physiology#Common Anatomy|kidney]].

* Left [[Female_Reproductive_Tract_-The_Ovary_- Anatomy & Physiology|ovary]] lies caudal to the middle of the 14th [[Musculoskeletal_System Overview_- Anatomy & Physiology#Ribs_and_Sternum|rib]] and caudal to the left [[Macroscopic Renal Anatomy - Anatomy & Physiology#Common Anatomy|kidney]].

* Right [[Female_Reproductive_Tract_-The_Ovary_-_Anatomy_%26_Physiology|ovary]] is caudal to the middle of the last [[Musculoskeletal_System Overview_-_Anatomy_%26_Physiology#Ribs_and_Sternum|rib]] (15th) and caudal to the right [[Macroscopic Renal Anatomy - Anatomy & Physiology#Common Anatomy|kidney]].

* Right [[Female_Reproductive_Tract_-The_Ovary_- Anatomy & Physiology|ovary]] is caudal to the middle of the last [[Musculoskeletal_System Overview_- Anatomy & Physiology#Ribs_and_Sternum|rib]] (15th) and caudal to the right [[Macroscopic Renal Anatomy - Anatomy & Physiology#Common Anatomy|kidney]].

* [[Female_Reproductive_Tract_-The_Ovary_-_Anatomy_%26_Physiology|Ovaries]] are suspended by ligaments from the abdominal wall.

* [[Female_Reproductive_Tract_-The_Ovary_- Anatomy & Physiology|Ovaries]] are suspended by ligaments from the abdominal wall.

==== Uterus ====

==== Uterus ====

* [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology#Anatomical_Types_of_Uteri|Bicornuate uterus]]

* [[Female_Reproductive_Tract_-The_Uterus_- Anatomy & Physiology#Anatomical_Types_of_Uteri|Bicornuate uterus]]

** Long uterine horns

** Long uterine horns

** Small Uterine Body

** Small Uterine Body

==== Vulva ====

==== Vulva ====

* Vulva lies on the perineum, ventral to the [[Anus_-_Anatomy_%26_Physiology|anus]].

* Vulva lies on the perineum, ventral to the [[Anus_- Anatomy & Physiology|anus]].

** During the non-breeding season, it is small and slit-like.

** During the non-breeding season, it is small and slit-like.

** During oestrus it becomes swollen and resembles a small doughnut.

** During oestrus it becomes swollen and resembles a small doughnut.

* Oestrus is shown by a swollen, pink vulva which regresses 2-3 weeks after mating.

* Oestrus is shown by a swollen, pink vulva which regresses 2-3 weeks after mating.

* Induced ovulator

* Induced ovulator

** If mated, [[The_Ovary_-_Ovulation_-_Anatomy_%26_Physiology|ovulation]] occurs within 30-40 hours of coitus.

** If mated, [[The_Ovary_-_Ovulation_- Anatomy & Physiology|ovulation]] occurs within 30-40 hours of coitus.

** If not mated, may remain in continual oestrus for up to ~4 months.

** If not mated, may remain in continual oestrus for up to ~4 months.

*** Unmated jills can die from postoestrus non-regenerative anaemia.

*** Unmated jills can die from postoestrus non-regenerative anaemia.

*** Continual stimulation of oestrogen to the [[Female_Reproductive_Tract_-The_Ovary_-_Anatomy_%26_Physiology|ovaries]], leading to hyperoestrogenism.

*** Continual stimulation of oestrogen to the [[Female_Reproductive_Tract_-The_Ovary_- Anatomy & Physiology|ovaries]], leading to hyperoestrogenism.

*** Excess oestrogen supresses [[Bone_Marrow_-_Anatomy_%26_Physiology|bone marrow]] activity.

*** Excess oestrogen supresses [[Bone_Marrow_- Anatomy & Physiology|bone marrow]] activity.

*** Symptoms include swollen vulva, allopecia and anaemia.

*** Symptoms include swollen vulva, allopecia and anaemia.

* [[Reproductive System - Anatomy & Physiology#Gestation|Gestation]] period is 42 days.

* [[Reproductive System - Anatomy & Physiology#Gestation|Gestation]] period is 42 days.

* [[Female_Reproductive_Tract_-Placenta_Classification_-_Anatomy_%26_Physiology|Placenta]] is zonary.

* [[Female_Reproductive_Tract_-Placenta_Classification_- Anatomy & Physiology|Placenta]] is zonary.

==== Litter ====

==== Litter ====