Histological Study of Proximal Segment For Vas Deferens in the indogenous Mature goats

	Histological Study of Proximal Segment For Vas Deferens in the indogenous Mature goats
journal of kerbala university
Article 1, Volume 8, Issue 0, 2012, Pages 85-90 PDF (0 K)
Abstract
The present study was carried out on thrity of mature male goats (three years )old . vas deferenses , involved the proximal segment . the present study was revealed that the proximal segment of vas deferens composed of three histological layers , mucosa lined by stratified columnar epithelium ,from the mucosal layer , many folds which extended .the second layer was muscular layer , consist of smooth muscle fibers bundle , arranged in three layer , the layer toward internal was poorly development , and composed of thin smooth muscle fibers bundles and arranged in circular pattern , the middle layer was good development , and consist of smooth muscle fibers arrangement in circular direction , and external muscular layer . consist of smooth muscle fibers , longitudinal in the arrangement . adjacent to adventitia .so the third histological layer of goat vas deferens was represented by adventitia that consist of collagenous and elastic fibers bundles , there is among them middle diameter arteries and veins , the present study was revealed the indogenous goats vas deferens had thik muscular wall , and characterized by narrow lumen , from mucosa , many folds were projected ,with submucosa absent in this proximal segment of mature indogenous goats

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