each S.T has a central lumen lined by an actively replicating epithelium called "germinal epithelium" or "spermatogonia mixed with a population of supporting (sustentacular ) cells called the "Sertoli cells
Spermatogenesis
The mature spermatozoonLeydig cells:
Leydic cellThe Rete Testis:
Seminiferous tubulRete testis
The efferent ductules are lined by a mixed undulating epithelium of tall ciliated columnar cells & non ciliated cuboidal or low columnar cells
The epididymis
.
Vas deferens:
each vas deferens has a dilatation called "ampulla"Accessory genital glands 1- Seminal vesicle: S.V is a coiled tube &surrounded by an inner circular &outer longitudinal smooth muscle fibers.
Seminal vesicle
Prostatic glandProstate with concretion
penis