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Hamster Reproduction - Anatomy & Physiology (view source)
Revision as of 15:23, 29 November 2010
, 15:23, 29 November 2010Text replace - "-_Anatomy_%26_Physiology" to "- Anatomy & Physiology"
=== Accessory Sex Glands ===
=== Accessory Sex Glands ===
* Several large [[Male_Reproductive_Tract_-Accessory_Sex_Glands_-_Anatomy_%26_Physiology|accessory glands]] including:
* Several large [[Male_Reproductive_Tract_-Accessory_Sex_Glands_- Anatomy & Physiology|accessory glands]] including:
** Ampulla Glands
** Ampulla Glands
** Seminal Vesicles
** Seminal Vesicles
==== Ovary ====
==== Ovary ====
* [[Female_Reproductive_Tract_-The_Ovary_-_Anatomy_%26_Physiology|Ovaries]] are oval in shape, situated dorsolateral to the kidneys.
* [[Female_Reproductive_Tract_-The_Ovary_- Anatomy & Physiology|Ovaries]] are oval in shape, situated dorsolateral to the kidneys.
** Completely enclosed in a fat-filled ovarian bursa.
** Completely enclosed in a fat-filled ovarian bursa.
** Uterine artery provides a major blood supply to the [[Female_Reproductive_Tract_-The_Ovary_-_Anatomy_%26_Physiology|ovary]].
** Uterine artery provides a major blood supply to the [[Female_Reproductive_Tract_-The_Ovary_- Anatomy & Physiology|ovary]].
** Coils of the ovarian and uterine arteries anastoamose close to the [[Female_Reproductive_Tract_-The_Ovary_-_Anatomy_%26_Physiology|ovary]].
** Coils of the ovarian and uterine arteries anastoamose close to the [[Female_Reproductive_Tract_-The_Ovary_- Anatomy & Physiology|ovary]].
==== Oviduct ====
==== Oviduct ====
* [[Female_Reproductive_Tract_-The_Oviduct_-_Anatomy_%26_Physiology|Oviduct]] is long and tighly coiled.
* [[Female_Reproductive_Tract_-The_Oviduct_- Anatomy & Physiology|Oviduct]] is long and tighly coiled.
==== Uterus ====
==== Uterus ====
* [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology#Anatomical_Types_of_Uteri|Duplex Uterus]]
* [[Female_Reproductive_Tract_-The_Uterus_- Anatomy & Physiology#Anatomical_Types_of_Uteri|Duplex Uterus]]
** Two seperate [[Female_Reproductive_Tract_-The_Cervix_-_Anatomy_%26_Physiology|cervices]].
** Two seperate [[Female_Reproductive_Tract_-The_Cervix_- Anatomy & Physiology|cervices]].
** Uterine horns remain divided until uniting in a single [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|vagina]].
** Uterine horns remain divided until uniting in a single [[Female_Reproductive_Tract_-The_Vagina/Vestibule_- Anatomy & Physiology|vagina]].
==== Vagina ====
==== Vagina ====
* The urinary opening is cranial and the anus is caudal with the vaginal opening in between.
* The urinary opening is cranial and the anus is caudal with the vaginal opening in between.
* [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|Vagina]] has a pair of vaginal pouches.
* [[Female_Reproductive_Tract_-The_Vagina/Vestibule_- Anatomy & Physiology|Vagina]] has a pair of vaginal pouches.
** Extend caudally, terminating at the level of the vaginal orifice.
** Extend caudally, terminating at the level of the vaginal orifice.
=== Oestrous Cyclicity ===
=== Oestrous Cyclicity ===
* Spontaneous [[The_Ovary_-_Ovulation_-_Anatomy_%26_Physiology|ovulator]].
* Spontaneous [[The_Ovary_-_Ovulation_- Anatomy & Physiology|ovulator]].
** [[The_Ovary_-_Ovulation_-_Anatomy_%26_Physiology|Ovulation]] occurs ~ 12 hours after the LH surge, usually resulting in the release of ova at night (hamsters are nocturnal).
** [[The_Ovary_-_Ovulation_- Anatomy & Physiology|Ovulation]] occurs ~ 12 hours after the LH surge, usually resulting in the release of ova at night (hamsters are nocturnal).
* Seasonally polyoestrus
* Seasonally polyoestrus
* Oestrus every 5-7 days
* Oestrus every 5-7 days
* Lasts 30 minutes.
* Lasts 30 minutes.
* Mating may be confirmed by the presence of a ''''copulatory plug''''.
* Mating may be confirmed by the presence of a ''''copulatory plug''''.
** A creamy, gelatinous plug formed from secretions of the male [[Male_Reproductive_Tract_-Accessory_Sex_Glands_-_Anatomy_%26_Physiology|accessory glands]].
** A creamy, gelatinous plug formed from secretions of the male [[Male_Reproductive_Tract_-Accessory_Sex_Glands_- Anatomy & Physiology|accessory glands]].
* Pseudopregnancy can occur after an infertile mating.
* Pseudopregnancy can occur after an infertile mating.