Difference between revisions of "Turner's Syndrome"
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| − | + | {{toplink | |
| − | + | |backcolour =EED2EE | |
| − | + | |linkpage =Reproductive System - Anatomy & Physiology | |
| − | + | |linktext =Reproductive System | |
| − | + | |maplink = Reproductive System (Content Map) - Anatomy & Physiology | |
| − | + | |pagetype =Anatomy | |
| − | + | |sublink1=Reproductive System - Anatomy & Physiology#Fertilisation.2C Implantation and Early Embryonic Development | |
| − | + | |subtext1=FERTILISATION , IMPLANTATION AND EARLY EMBRYONIC DEVELOPMENT | |
| − | + | |sublink2=Fertilisation, Implantation and Early Embryonic Development -Sexual Differentiation- Anatomy & Physiology | |
| − | + | |subtext2=SEXUAL DIFFERENTIATION | |
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| + | <br> | ||
== Aetiology == | == Aetiology == | ||
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* The Ovary therefore lacks tone and has no follicular cycles. | * The Ovary therefore lacks tone and has no follicular cycles. | ||
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== Morphology == | == Morphology == | ||
Revision as of 13:38, 3 September 2008
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Aetiology
- 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