AN SCI 434 Study Guide - Inguinal Hernia, Mesoderm, Mae
Document Summary
Externa (outermost layer of loose connective tissue: capillary network of the follicle doesn"t cross into the. Leydig cells to differentiate make testosterone which goes to wolfian. Fuses with part of peritoneum: rapid growth of gubernaculum in scrotal region, pulls testis into inguinal region. Peritoneum pulls into scrotal cavity to form pereital vaginalis. Portion of peritoneum surrounding testis is also pulled down, becomes visceral. Tunica vaginalis: gubernaculum becomes fully regressed and is attached to where epididymis will attach. Vaginal process is continuus with peritoneal cavity: failure or problems with descent, cryptorchid: highly heritable condition (1) germ cells fail to multiply and die in body cavity. More production of gnrh: feedback loop (-, gonadal steroids, protein hormones (inhibin causes decrease in fsh, try to keep things steady at basic level in (-) loop, positive feedback loop, gonadal (1) estradiaol causes increase in gnrh.
