Histology and Embyology: Epididymus

Epididymus

EPIDIDYMUS

Epididymis is a highly convoluted tube to form a solid body so that in section the tube is cut several times.
The duct is enveloped by collagenous tunic, which contains circular smooth muscle.
The duct has a wide lumen and the mucosa has no folds.
The epithelium is pseudostratified columnar ciliated and consists of two types of cell-tall columnar cells with sterocilia and small angular basal cells which do not reach the surface.
Columnar cells show elongated nuclei at different levels and contain secretory granules.
Basal cells contain lipids and so in ordinary preparations stain light.
The lumen shows clumps of spermatozoa.

Last modified: Saturday, 21 August 2010, 9:29 AM

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VAN 211: Veterinary Histology and Embryology (2+2)

Epididymus

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