ANAT 216 Lecture Notes - Lecture 18: Tunica Vaginalis, Vas Deferens, Seminiferous Tubule
7 Jul 2017
School
Department
Course
Professor
Document Summary
Descent of testes :7th month: rapid growth of testes; they descend --as the testes moves through the body wall, it is accompanied by. Cryptorchidism is the absence of one or both testes from the scrotum. Once the testes have descended, the above structures remain bundles together inside the spermatic cords. Spermatic cords are layers of fascia made of tough connective tissue. Contains: ductus deferens, testicular artery, pampiniform plexus of testicular vein. Testes: small oval organ located in the scrotum suspended by spermatic cord. Tunica vaginalis: parietal and visceral, covers the tunica albuginea lines the scrotal cavity. Tunica albuginea: capsule that surrounds testis: fibrous coat or capsule. Testicular lobules: contain seminiferous tubules loose connective tissue; lots of blood vessels. Interstitial cells: leydig cells in between the seminiferous tubules produce testosterone. 80 cm long almost a m !! total length in body testes: 0. 5 miles. Seminiferous tubule straight tubule rete testis efferent ductules epididymis. Scrotal cavity tunica vaginalis tunica albuginea tunica vaginalis.
