pelvic contents, nerves, & vessels Flashcards Preview

GU > pelvic contents, nerves, & vessels > Flashcards

Flashcards in pelvic contents, nerves, & vessels Deck (14):
1

name the structures lining the pelvic inlet

- sacral promontory
- Alae of sacrum
- arcuate line
- pectineal line
- pubic tubercle
- pubic crest
- pubic symphysis

2

describe the differences between male and female pelvis's

male
- subpubic angle <90
- sacrum titled forward
- smaller pelvic outlet

females
- subpubic angle >90
- sacrum titled backwards
- bigger pelvic outlet

3

what ligaments form the greater and lesser sciatic foramen

sacrotuberous & sacrospinous

4

what travels above piriformis muscle within the greater sciatic foramen

superior gluteal vessels and nerve

5

what travels below piriformis muscle within the greater sciatic foramen

- inferior gluteal vessels and nerve
- sciatic nerve
- posterior femoral cutaneous nerve
- internal pudendal vessels and nerve

6

what travels through the lesser sciatic foramen

- internal pudendal vessels
- pudendal nerve (S2-4)

7

name the branches given off from the anterior division of internal iliac

- umbilical giving rise to superior vesical
- obturator
- inferior vesical giving giving vaginal
- internal pudendal
- inferior gluteal
- middle rectal

8

what is the main branch coming of the posterior division of internal iliac

superior gluteal

9

where do all venous plexuses drain to (include the exception to this rule)

internal iliac veins
except: deep dorsal vein of the penis/clitoris

10

describe the sacral plexus and name its branches

L4, L5, S1, S2, S3, S4

-mostly innervate structures external to the pelvis
- gluteal nerves
- sciatic nerves (L4-S3)
- pudendal nerves (S2-4)
- levator ani
- posterior femoral cutanous

11

name the branches off the pudendal nerve

- inferior rectal
- perineal
- dorsal nerve to clitoris/penis
- scrotal/labial

12

name the 2 ANS plexuses and where they're located

superior hypogastric
- anterior body of L5 & sacral promontory

inferior hypogastric
- pelvic floor

13

what fibers supply parasympathetic

S2-4 fibers

14

what fibers supply sympathetic

L1-2