pelvic and perineal osteology/arthrology outline

Question 1

what does the bony pelvis include

Answer 1

paired coxal bones, sacrum and coccyx

Question 2

what is the pelvic girdle

Answer 2

paired coxal bone joined anteriorly at pubic symphysis

Question 3

sacral tuerosity is where and articulates with what

Answer 3

lateral to lateral sacral crest

-forms fibrous articulation with the iliac tuberosity

Question 4

sacral cornua

Answer 4

inferior articulating processes of S5

Question 5

sacral canal transmits what

Answer 5

the cauda equina

Question 6

what is spondylolistesis

Answer 6

abnormal anteriorly directed separation of L5 vert segment from the sacrum

Question 7

what is the superior pelvic aperture formed by

Answer 7

sacral promontory, superior edge sacral ala, arcuate line of the ilium, pectin pubis, posterior edge of the pubic crest, superior edge pubic symphysis

Question 8

what makes up the inferior pelvic aperture

Answer 8

inferior edge of pubic symphysis, inferior pubic and ischial rami, ischial tuberosities, sacrotuberous ligaments and coccyx

Question 9

what is the pelvic canal

Answer 9

passage between superior and inferior pelvic aperature

Question 10

the transverse process is only present on the ____ coccygeal segment

Answer 10

superior most

Question 11

males have a ___ greater pelvis, ___ and ___ lesser pelvis

Answer 11

deeper, narrow and deeper

Question 12

anthropoid pelvis

Answer 12

elongated pelvis anterior to posterior

Question 13

platypelloid pelvis

Answer 13

elongated pelvis laterally

Question 14

Pelvic fractures or crush fractures

Answer 14

almost always involve multiple fractures

-superior and inferior pubic rami often broken on both sides with these injuries

Question 15

what kind of cartilage is the interpubic disc

Answer 15

fibrocartilaginous

Question 16

ligamentum flavum location

Answer 16

travels on ventral surface of lamina and onto posterior wall of sacral canal

Question 17

iliolumbar ligament attachments

Answer 17

L5 TP to iliac crest

Question 18

lumbosacral ligament attachements

Answer 18

L5 TP and body to sacral ala

Question 19

2 parts of intervertebral disc

Answer 19

1) annulus fibrosis: fibrous outer region

2) nucleus pulposus: soft gelatinous inner portion

Question 20

inguinal ligament attachments

Answer 20

ASIS to pubic tubercle

Question 21

long posterior sacroiliac L

Answer 21

PSIS that blends in with sacrotuberous L

Question 22

short posterior sacroiliac L

Answer 22

originates from median sacral crest (S1,S2) and inserts on posterior surface of iliac crest and iliac tuberosity

Question 23

interosseous sacroliiac ligament

Answer 23

deep to posterior sacroiliac L

Question 24

ligament btwn sacrum and coccyx

Answer 24

anterior sacrococcygeal L

posterior sacrococcygeal L

Question 25

peritoneum in the male

Answer 25

dips down out of abdomen into pelvis to cover superior and lateral aspects of urinary bladder and rectum

Question 26

peritoneum in female

Answer 26

covers superior and lateral aspects of urinary bladder, uterus, uterine tubes, ovaries, and rectum

Question 27

culdesac of douglas

Answer 27

rectouterine pouch

Question 28

parietal pelvic fascia

Answer 28

lines muscular walls of pelvis: obturator internus, piriformis, levator ani, coccygeus m

Question 29

obturator fascia lines what

Answer 29

pelvic side of obturator internus M,

-forms walls of pudendal canal, forms tendinous arch of levator ani ms

Question 30

MALE: tendinous arch of pelvic fasica
anterior part
posterior part

Answer 30

puboprostatic L anterior

rectoprostatic L posterior

Question 31

female: tendinous arch of pelvic fascia
anterior part
posterior part

Answer 31

anterior: pubovesicle L
posterior: uterosacral L

Question 32

loose endopelvic fascia

Answer 32

fat filled potential space

-retropubic space: between pelvis and fascia

Question 33

hypogastric sheath in female: 3 parts

Answer 33

lateral rectal L (posterior)
transverse cervical L (middle)
lateral L of bladder (anterior)

Question 34

hypogastric sheath in male

Answer 34

lateral rectal L (posterior)
rectovesical septum (middle)
lateral L of bladder (anterior)

Question 35

four points of the quadrangular space

Answer 35

pubic symphysis, coccyx, two ischial tuberosities

anterior = urogenital triangle
posterior = anal triangle

Question 36

ischioanal fossa

Answer 36

around wall of anal canal
-narrow superiorly wide inferiorly
filled with fat and loose CT

Question 37

superficial perineal fascia made of what

Answer 37

fatty and membranous component

• fatty: female forms fatty layers of labia majora, mons pubis (penis and scrotum in male
• membranous: dartos fascia of penis and scrotum

Question 38

deep perineal fascia in male

Answer 38

dep fascia of the penis and perineal membrane

Question 39

contents in superficial perineal pouch: male

Answer 39

bulb and crura of penis, superfiical perineal muscles, proximal spongy urethra, branches of internal pud a and V pud N

Question 40

contents in superficial perineal pouch: female

Answer 40

crura of clit, bulbs of vest, superficial perineal muscles, greater vestib glands, branches of int pud a and v pudend N

Question 41

deep perineal pouch male

Answer 41

membranous urethra, muscles of UG diaphragm, bulbourethral glands

Question 42

deep perineal pouch female

Answer 42

muscles of UG diaphragm