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Lecture Notes - Pelvis & Pelvic Viscera
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Lecture Notes - Pelvis & Pelvic Viscera |
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Bony Structure
The streaming video of the 2004-5 lab overview is available on the web (password protected).
The computer presentation used by Ms. Stein in lecture is available on the web (password protected). You can also download the PowerPoint presentation to print or review.
- 2 hip bones: ilium, pubis, ischium
- 1 sacrum
- 1 coccyx
Ligaments - hold/bind bony pelvis together and hold pelvis in proper orientation to resist forces
PeritoneumOrientation - NOT a basin!!! Tilt to ~80° angle
- sacrotuberous
- sacrospinous
- sacroiliac
- Pubic tubercles and ASIS in vertical line
Viscera
Falls short - does not reach pelvic floor/diaphragm - Pouches
- Female - vesicouterine & rectouterine
- Male - rectovesical
- Broad Ligament - mesosalpinx, mesovarium, & mesometrium
Rectum
Anal Canal
- peritoneal covering - top 1/3 on front and sides, middle 1/3 on front, inferior 1/3 none
- transverse rectal folds
- passes through pelvic diaphragm to become anal canal
- blood supply and venous return - portocaval anastomosis
Reproductive Organs
- internal anal sphincter - thickened circular (smooth) muscle
- external anal sphincter - skeletal muscle
- anal columns, valves, and sinuses - what forms columns?
- Pectinate Line - functional significance??
Bladder
- Female:
- Uterus
- fundus, body, isthmus, cervix (internal and external os)
- round ligament (anterior)
- uterine artery OVER ureter
- anteverted vs. anteflexed
- Uterine Tube
- isthmus, ampulla, infundibulum, fimbriae
- Ovary
- suspensory ligament (contains ovarian vessels)
- proper ovarian ligament
- (ovarian + round ligaments = gubernaculum)
- Vagina
- from cervix to vestibule
- vaginal fornices - recess around cervix (anterior, posterior, lateral)
- Male:
- Testis
- seminiferous tubules
- epididymis - head, body, tail
- Spermatic Cord
- ductus deferens
- testicular artery
- pampiniform plexus of veins
- Ejaculatory Ducts
- ampulla of ductus deferens + seminal vesicles
- through prostate to join urethra at seminal colliculus
- Prostate
- base of bladder
- median lobe = uvula
- apex, fundus, body, neck
- trigone = ureteric orifices + internal urethral orifice
- urethra
- male: prostatic, membranous, penile (spongy)
- female: membranous
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