Difference between revisions of "Category:Testicles - Developmental Pathology"

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(Created page with "Testicular Agenesis is rare. Cryptorchidism *TESTICULAR HYPOPLASIA Maybe spontaneous or associated with intersex or cryptorchidism. Can occur in all species. Is confined...")
 
 
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Testicular Agenesis is rare.
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[[Cryptorchidism]]
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*TESTICULAR HYPOPLASIA
 
Maybe spontaneous or associated with intersex or cryptorchidism. Can occur in all species.
 
Is confined to descended testicles (cf. cryptorchid testes). 
 
May be bilateral and/or unilateral.
 
Usually detected at or after puberty because of lowered / lack of fertility.
 
Development of accessory genitalia is normal, i.e.  hormone secretion unimpaired.
 
 
 
Aetiology:
 
 
 
#Genetic factors:sex-linked autosomal recessive gene (Swedish Red cattle).
 
#Environmental factors:Zn deficiency,ecological/organo-phosphorous compounds?
 
#Hormonal factors:endocrine deficiency.
 
#Chromosomal abnormalities:XXY Klinefelters syndrome - all species. Male tortoiseshell cats (XXY).
 
 
 
Gross:small, freely movable in scrotum.
 
<br>Histologically:mild (<50% of tubules hypoplastic) to severe, seminiferous tubules small lined by Sertoli cells only. No significant inflammatory reaction
 
 
 
 
 
Information by kind permission of Professor R W Else
 
 
 
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[[Category:To Do - Reproductive]]
 
  
  
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[[Category:Testicles - Pathology]]

Latest revision as of 20:17, 12 April 2011

Testicles - Developmental Pathology

Testicular Agenesis is rare.

Pages in category "Testicles - Developmental Pathology"

The following 2 pages are in this category, out of 2 total.