Perineum

Question 1

pelvic cavity contains _

Answer 1

urinary, GI, and reproductive systems

Question 2

pelvic cavity borders

Answer 2

superior: abdominal cavity
posterior: sacrum
anterior: pubis & pubic symphysis

Question 3

perineum contains _

Answer 3

external genitalia and external openings of the GI and genitourinary systems

Question 4

perineum extends from _

Answer 4

pubis to coccyx; between ischial tuberosities

Question 5

perineum is supported by the _

Answer 5

bony pelvis

Question 6

bony pelvis is composed of _

Answer 6

right and left hip bones, sacrum, coccyx

Question 7

hip bone is formed by fusion of _

Answer 7

ilium, ischium, and pubis

Question 8

anterior of bony pelvis

Answer 8

contains pubic symphysis, ischiopubic ramus, obturator foramen

Question 9

posterior of bony pelvis

Answer 9

ischial tuberosity, ischiopubic ramus, ischial spine, greater sciatic notch, lesser sciatic notch

Question 10

ligaments of bony pelvis

Answer 10

sacrotuberous and sacrospinous

Question 11

sacrotuberous ligament

Answer 11

runs from sacrum to ischial tuberosity

Question 12

sacrospinous ligament

Answer 12

runs from sacral to ischial spine

Question 13

sacrospinous ligament separates _

Answer 13

greater and lesser sciatic foramen

Question 14

greater sciatic foramen

Answer 14

connects pelvis and gluteal region

Question 15

lesser sciatic foramen

Answer 15

connects gluteal region and perineum

Question 16

urogenital triangle

Answer 16

contains urethra and external genitalia

Question 17

urogenital triangle extends from

Answer 17

pubic symphysis to ischial tuberosity

Question 18

anal triangle contains _

Answer 18

anal canal and anus

Question 19

anal triangle extends from _

Answer 19

ischial tuberosity to coccyx

Question 20

the obturator internus muscle contributes to _

Answer 20

the lateral boundary of the perineum

Question 21

obturator internus originates _

Answer 21

from the inside of the obturator foramen

Question 22

obturator internus attaches to _

Answer 22

peripheral femur

Question 23

pelvic diaphragm contributes to _

Answer 23

superior boundary of perineum

Question 24

pelvic diaphragm consists of _

Answer 24

levator ani and coccygeus muscles

Question 25

levator ani is composed of _

Answer 25

iliococcygeus, puborectalis, and pubococcygeus

Question 26

iliococcygeus muscle arises from _

Answer 26

tendinous arch

Question 27

ischioanal fossa

Answer 27

wedge-shaped area circling the anus; fat that allows contraction

Question 28

What passes through the sciatic foramina to reach the ischioanal fossa?

Answer 28

pudenal nerve, internal pudenal artery, internal pudenal vein

Question 29

What supplies the perineum?

Answer 29

pudenal nerve, internal pudenal artery, internal pudenal vein

Question 30

pudenal nerve and internal pudenal vessels branch to serve _

Answer 30

anal region and UG triangle

Question 31

branches serving the external anal sphincter and skin around anus

Answer 31

inferior rectal artery and inferior rectal nerve

Question 32

hemorrhoids can occur in _

Answer 32

inferior rectal veins

Question 33

Scarpa's fascia

Answer 33

(Camper's); fatty layer

Question 34

Colles' fascia

Answer 34

associated with UG triangle

Question 35

Dartos fascia

Answer 35

in males; associated with external genitalia

Question 36

perineal membrane

Answer 36

separates the UG triangle into superficial and deep perineal spaces

Question 37

deep perineal space

Answer 37

lies between perineal membrane and pelvic diaphragm, bound by superior and inferior fascias

Question 38

superficial perineal space

Answer 38

lies between perineal membrane and superficial fascia and houses portions of external genitalia

Question 39

Where are erectile tissues located in male?

Answer 39

within superficial perineal space

Question 40

superficial perineal muscles

Answer 40

bulbospongiosus, ischiocavernous, and superficial transverse perineal

Question 41

erectile tissues in males

Answer 41

corpus spongiosum and corpus cavernosum (2)

Question 42

corpus spongiosum

Answer 42

bulb of penis

Question 43

corpus cavernosum

Answer 43

crus of penis

Question 44

ischiocavernosus muscle

Answer 44

overlies crus of penis

Question 45

bulbospongiosus muscle

Answer 45

overlies bulb of penis

Question 46

deep perineal space

Answer 46

lies between superficial perineal and pelvic diaphragm

Question 47

male deep perineal space muscles

Answer 47

external urethral sphincter and deep transverse perineal muscle

Question 48

male deep perineal space glands

Answer 48

bulbourethral glands (Cowper's)

Question 49

pudendal nerve innervates _

Answer 49

muscles and erectile tissues of UG triangle

Question 50

pudendal nerve branches

Answer 50

perineal nerves, posterior scrotal nerves, and dorsal nerves of penis

Question 51

internal pudendal artery supplies _

Answer 51

muscle and erectile tissues of UG triangle

Question 52

internal pudendal artery branches

Answer 52

perineal arteries, posterior scrotal arteries, dorsal arteries of penis, deep arteries of penis, and arteries of bulb

Question 53

4 tissue layers of penis

Answer 53

skin, superficial penile fascia (dartos), deep penile fascia (bucks), and tunica albuginea

Question 54

deep arteries of penis

Answer 54

contain space around it to fill with blood during erection

Question 55

female superficial perineal space muscles

Answer 55

bulbospongiosus, ischiocavernosus, and superficial transverse perineal

Question 56

female erectile tissues

Answer 56

corpus spongiosum (2) and corpus cavernosum (2)

Question 57

corpus spongiosum (female)

Answer 57

bulb of vestibule

Question 58

corpus cavernosum (female)

Answer 58

crus of clitoris

Question 59

perineal body is convergence of _

Answer 59

bulbospongiosus, superficial transverse perineal, and external anal sphincter

Question 60

female deep perineal space muscles

Answer 60

external urethral sphincter and deep transverse perineal muscle

Question 61

female pudendal nerve branches

Answer 61

perineal nerves, posterior labial nerves, and dorsal nerves of clitoris

Question 62

pudendal nerve during labor

Answer 62

can be blocked (between ischial tuberosity and pubic ramus)

Question 63

female internal pudendal arteries branches

Answer 63

posterior labial arteries, dorsal arteries of clitoris, deep arteries of clitoris, and arteries of bulb of vestibule

Question 64

female urethra passes only through _

Answer 64

deep and superficial perineal spaces

Question 65

male urethral subdivisions

Answer 65

prostatic urethra, membranous urethra, abd spongy (penile) urethra

Question 66

deep to superficial perineal layers

Answer 66

superior fascia of UG diaphragm --> deep perineal space --> perineal membrane --> superficial perineal space --> superficial perineal fascia (Colles') --> subcutaneous fat --> skin