Arcuate Vaginal branches Ovarian branches Tubal branches Spiral. The inferior or horizontal division is bounded below by the levator ani, above by the cardinal ligament, and medially by the rectal septum. Aurora M Miranda, MD, FACOG; Chief Editor: Log in Sign up. Anterior branch Pubic branch Posterior branch Acetabular branch Cruciate anastomosis Corona mortis. The larger veins are located here.
Chapter 32: Blood vessels, nerves and lymphatic drainage of the pelvis
The apex of the perineal body is continuous with the rectovaginal septum the fascia of Denonvilliers , as shown in Fig. For these reasons, it is not possible to definitively determine whether or not a girl or woman is a virgin by examining her hymen. When studied by electron microscopy and neurohistochemistry, the smooth muscle bundles in this tissue are associated with numerous autonomic nerve fibers. Home Body Systems Basic Anatomy Histology About Us Contact Us. The anterior superior iliac spine ASIS and the posterior superior iliac spine PSIS are bony landmarks that assist the abdominal or laparoscopic surgeon in orientation and in placing the ports for laparoscopy. The Cervix Original Author:
Vagina - Wikipedia
The wall of the vagina from the lumen outwards consists firstly of a mucosa of non-keratinized stratified squamous epithelium with an underlying lamina propria of connective tissue , secondly a layer of smooth muscle with bundles of circular fibers internal to longitudinal fibers, and thirdly an outer layer of connective tissue called the adventitia. More recent studies by Oelrich, Gosling and others, 12 , 13 shed more light on the urethral support and sphincter mechanism. The posterior fibers of the perineal membrane are fixed to the perineal body. The area of vaginal lumen, which surrounds the cervix, is divided into four fornices:
Description: The superficial cells exfoliate continuously and basal cells replace them. This increase in moisture is vaginal lubrication , which reduces friction. Type 1 collagen, with its larger fiber size, provides higher tensile strength to the tissue. By TeachMeSeries Ltd