LQB389_390 PracGuide – PRAC WEEK 5:
Use the following models to identify the major features/structures listed (tick off as you find each one)
and answer the relevant questions using the resources listed.
Pelvic Cavity and its contents
1. Median Section of Male and Female Pelves 11.11x and 11.12x
 rectum
 rectal ampulla
 rectovesicular pouch
 rectouterine pouch
 uterovesicular pouch
 prostatic urethra
 ejaculatory ducts
 ductus deferens
 seminal vesicles
 retropubic space
 round ligament of uterus
 fundus, body and cervix of uterus
 vagina
Explain the position of the uterus in model 11.12x by defining the terms anteflexed, anteverted and
retroverted. __________________________________________________________________________
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How are these uterine positions related to the function of the urinary bladder?
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2. Nervous system model 8.31x
 sacral plexus
 lumbosacral trunk
The sacral plexus lies on the pelvic surface of what muscle? ___________________________________
The ventral rami of which spinal nerves form the sacral plexus? ________________________________
3. Bony pelvis model and articulated skeletons
 superior pelvic aperture
 inferior pelvic aperture
 sacrotuberous ligament
 true pelvis
 false pelvis
4. Muscles of the pelvic walls and floor model 1.42x
 obturator internus
 piriformis
 levator ani
 coccygeus
 greater sciatic foramen
 urethra
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anal canal
vagina
sacral plexus
sciatic nerve
lesser sciatic foramen
internal pudendal artery
Which of the above muscles contribute to the formation of the pelvic diaphragm?
____________________________________________________________________________________
Name the artery that passes through the greater sciatic foramen and then enters the perineum through
the lesser sciatic foramen?______________________________________________________________
5. Urinary system model 14.61x, female reproductive system model 11.12x and male reproductive
system model 11.11x
 abdominal ureter
 pelvic ureter
 ureteric orifices
 superior, inferolateral and posterior surfaces, apex and neck of the urinary bladder
 prostate gland (and its seminal colliculus)
 sigmoid colon
 rectum
 rectosigmoid junction
 perineal/anorectal flexure
Perineum
1. Muscles of perineum model 1.42x, reproductive inserts from torsos (male and female 11.13x),
model 11.131 (female) and model 5.811/1.431 (with blood vessels of perineum)
 pelvic diaphragm
 anal canal
 urogenital diaphragm/deep perineal pouch
 vagina
 muscles of superficial perineal pouch
 labia majora
 labia minora
 genital vestibule
 clitoris
 perineal body
 anococcygeal body
 gluteus maximus
 internal pudendal artery
 pudendal canal
 obturator internus
 levator ani
 anterior and posterior recesses of right and left ischiorectal fossae
 inferior rectal artery
2. Female reproductive system models 11.12x and 11.021 and male reproductive system models
11.11x, 11.011 and 1.041 (also look at torso reproductive inserts 11.13x for both male and female)
 pelvic diaphragm
 urogenital diaphragm/deep perineal pouch
 bulbourethral gland
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bulb of penis
vagina
external & internal anal sphincters
rectum
anal canal
perineal/anorectal flexure
Contrast the location of the internal and external anal sphincters:
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