Physiology 3120 Lecture Notes - Lecture 1: Seminiferous Tubule, Vas Deferens, Seminal Vesicle

• School: Western University
• Department: Physiology
• Course: Physiology 3120
• Professor: Tom Stavraky

Document Summary

Reproduction system in males basically has 2 functions. ** not required for homeostasis, can take out and still live. Vas deferens: allows sperm to move during sexual arousal prior to ejaculation smooth muscle contracts during ejaculation which facilitates this moves through urethra and out. Accessory organs: contribute secretions to sperm ejaculate is not only sperm sperm is 10%, fluid contributions from these make up the rest. Seminal vesicles: first point sperm runs along vas deferens and hits seminal vesicles contribute to fluid of ejaculate. Fru(cid:272)tose (cid:894)e(cid:374)ergy(cid:895), do(cid:374)"t wa(cid:374)t sper(cid:373) (cid:271)reaking down, want to stick together (coagulation from semenogelin). Prostaglandins (alkaline) allow smooth muscle contraction help propel sperm into female, also protects sperm when entering female acidic entrance. Acidic, promotes disruption of clot (psa), and atp. Yellow = seminiferous tubules testes = mass of semi tubes. Blue cells = sertoli cells = nurse cells of sperm, surrounding sertoli cells are leydig cells.