Pelvic Viscera

Question 1

pelvic inlet boundaries

Answer 1

~ entrance into pelvic cavity
- posterior border of pubic crest
- pecten pubis
- anterior border of sacral ala
- sacral promontory

Question 2

pelvic outlet boundaries

Answer 2

• pubic symphysis
• tip of coccyx
• sacrotuberous ligament
• inferior rami of pubic and ischial tuberosities

Question 3

greater pelvis ( false pelvis)

Answer 3

• part of the pelvis superior to the pelvic inlet
• bounded by the iliac alae and the superior aspect of S1
• occupies by abdominal viscera

Question 4

lesser pelvis (true pelvis)

Answer 4

• between the pelvic inlet and pelvic outlet
• bounded by the pelvic surfaces of the hip bones, sacrum, and coccyx

Question 5

sacro - iliac joints

Answer 5

link the axial skeleton and the inferior appendicular skeleton
* limited mobility is allowed here

Question 6

pubic symphysis

Answer 6

region between two pubic bones
* fibrocartilaginous

Question 7

lumbosacral joint

Answer 7

between the L5 and S1 vertebrae
* strengthened by iliolumbar ligament

Question 8

sacrococcygeal joint

Answer 8

between the sacrum and coccyx

Question 9

pelvic ligaments

Answer 9

• anterior sacroiliac
• posterior sacroiliac
• sacrotuberous
• sacrospinous
• sacrococcygeal

Question 10

internal iliac artery branch off?

Answer 10

the common iliac artery

Question 11

visceral branches

Answer 11

• visceral bladder
• rectum
• reproductive organs

Question 12

parietal branches

Answer 12

• iliolumbar
• sacral
• superior gluteal
• inferior gluteal

Question 13

iliolumbar

Answer 13

supplies muscles of posterior abdominal wall

Question 14

sacral

Answer 14

supply the spinal meninges enclosing the roots of the sacral nerves

Question 15

superior gluteal

Answer 15

supplies the gluteal muscles

Question 16

inferior gluteal

Answer 16

supplies the gluteal muscles

Question 17

umbilical- patent part

Answer 17

superior aspect of the bladder

Question 18

obturator- origin

Answer 18

medial compartment of thigh

Question 19

inferior vesical (male anatomy)

Answer 19

body/fundus of bladder along with internal reproductive organs

Question 20

vaginal (female anatomy)

Answer 20

body/fundus of bladder, vagina, uterus, inferior aspect of bladder

Question 21

middle rectal

Answer 21

inferior aspect of rectum

Question 22

internal pudendal

Answer 22

perineum

Question 23

uterine (female anatomy)

Answer 23

uterus and ovaries

Question 24

sacral plexus nerves - somatic

Answer 24

L4-S4

Question 25

lumbosacral trunk

Answer 25

L4/5

Question 26

sciatic

Answer 26

L4-S3

Question 27

pudendal nerve

Answer 27

S2-S4
- travels with internal pudendal artery
- main sensory and motor of perineum

Question 28

superior gluteal nerve

Answer 28

L4-S2
- gluteus medius and minimus and tensor fasciae latae

Question 29

inferior gluteal nerve

Answer 29

L5-S2
- gluteus maximus

Question 30

obturator nerve

Answer 30

L2-L4
- muscles of medial compartment of thigh

Question 31

sacral sympathetic trunks

Answer 31

• descend on the pelvic surface of the sacrum
• provide postganglionic fibers to the vessels and sweat glands of the lower limb

Question 32

hypogastric plexi (superior and inferior)

Answer 32

networks of sympathetic, parasympathetic and visceral afferents

Question 33

pelvic sphlanchnic nerves

Answer 33

• preganglionic parasympathetic fibers form S2-S4
• distal parts of colon starting at the descending colon and pelvic viscera

Question 34

visceral afferents

Answer 34

travel retrograde with autonomic nerve fibers