Difference between revisions of "Turner's Syndrome"
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(New page: * Occurs in Mares * X0 sex chromosome complement * Normal autosomal chromosome complement * Develop an ovary * There is only one active X chromosome, so Oocytes die. * The death of Oo...) |
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* Occurs in Mares | * Occurs in Mares | ||
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Revision as of 11:13, 15 July 2008
Fertilisation%2C_Implantation_and_Early_Embryonic_Development_-Sexual_Differentiation-_Anatomy_%26_Physiology#Associated_Disorders
- Occurs in Mares
- X0 sex chromosome complement
- Normal autosomal chromosome complement
- Develop an ovary
- There is only one active X chromosome, so Oocytes die.
- The death of Oocytes is followed by loss of follicles.
- This leads to Ovarian Dysgensis (abnormal development) and a highly regressed Streaky Ovary that does not secrete the normal ovarian steroid hormones.
- The Ovary therefore lacks tone and has no follicular cycles.
Morphology
- Normal external genetalia
- Small stature
- Flaccid Uterus
- Small, inactive Ovaries
- Complete absence of Ovarian activity and consequent Anoestrous