ANAT 101 Lecture Notes - Lecture 12: Seminiferous Tubule, Male Reproductive System, Loose Connective Tissue
15 Dec 2019
School
Department
Course
Professor
Document Summary
Involves a variety of structures working in synchrony to create and transport the male gamete cell, sperm: sperm are produced in the testes and transported through a duct system to reach the external world. Testes: site of sperm creation and development in the male reproductive system, two oval-shaped organs, covered and protected by two tissues, tunica vaginalis- the outer protective covering, tunica albuginea- the inner fibrous coat or capsule. Extensions penetrate into the testes, dividing it into approx. Each lobule contains up to four thin and elongated seminiferous tubules. Seminiferous tubules: the sperm producing factories, each testis contains about 600-1000 seminiferous tubules in its lobules, with each tubule approx. In the loose connective tissue between these tubules, leydig cells are found, which produce and secrete testosterone. The seminal vesicles are accessory glands that secretes nutritive fluid for the sperm: urethra- see module 11.
