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Histological structure of the intratesticular ducts, epididymis, ductus…
Histological structure of the intratesticular ducts, epididymis, ductus deferens.
Intratesticular ducts
Straight tubules
Short + straight
Deliver sperm to rete testis
Epith: Sertoli cells near seminiferous tubules
Cuboidal cells near rete testis
Rete testis
In mediastinum
Labyrinth like structure
Lumen lined with group non ciliated cuboidal cells
Absorb fluid secrete by Sertoli cells
Fluid flow --> carrie sperm out testis
Epididymis
Single coiled duct
Lumen filled with sperm
Principal cell
Secrete glycolipids + glycoproteins
Smooth muscle
Move sperm along the duct
Stereocilia basal stem cells
Stereocilia struct for absorption
Absorbative fct
Ductus deferens
1.Outer layer of longitudinal smooth muscle
2.Midle layer os circular smoot m
3/Inner layer of longitudinal smooth m
5.Lining Epithelium
stereociliated pseudostratified
columnar + basal lamina
Surround by Adventitia
Mucosa