Difference between revisions of "Turner's Syndrome"

Revision as of 15:11, 22 August 2010

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.

@@ Line 1: / Line 1: @@
-#redirect[[Intersex#Abnormalities of chromosomal sex]]
+{{toplink
+|backcolour =EED2EE
+|linkpage =Reproductive System - Anatomy & Physiology
+|linktext =Reproductive System
+|maplink = Reproductive System (Content Map) - Anatomy & Physiology
+|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
+}}
+<br>
+== 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
+[[Category:Reproductive System]]