ANAT 216 Lecture Notes - Lecture 24: Internal Sphincter Muscle Of Urethra, Urinary Bladder, Lamina Propria
2 Oct 2017
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Urinary system: lecture 2 (reading material: chapter 26: pages 706-711) Conducts urine to exterior, in males, transports semen as well: ureters, gross anatomy, 2 long muscular circular tubes connecting the kidneys to the bladder. Pass over psoas major: when they enter the pelvis the penetrate the posterior wall of the urinary bladder at an oblique angle. Shape helps prevent backflow of urine when urinary bladder contracts (helpful especially in enlarged prostate which pushes on bladder: histology: three layers: Full bladder can contain 1 l of urine. You don"t want urine to be too concentrated to prevent crystals from forming, thus drink. Posterior, inferior, and anterior surfaces (lies outside peritoneal cavity) Prostate gland is just beneath bladder, and it sits by rectum: females it lies under the uterus and in front of the vagina. 2. 5 cm long and passes through the prostate gland: membranous urethra:
