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QUIZ 7 > Perineum > Flashcards

Perineum Flashcards

1
Q

pelvic cavity contains _

A

urinary, GI, and reproductive systems

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2
Q

pelvic cavity borders

A

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

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3
Q

perineum contains _

A

external genitalia and external openings of the GI and genitourinary systems

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4
Q

perineum extends from _

A

pubis to coccyx; between ischial tuberosities

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5
Q

perineum is supported by the _

A

bony pelvis

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6
Q

bony pelvis is composed of _

A

right and left hip bones, sacrum, coccyx

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7
Q

hip bone is formed by fusion of _

A

ilium, ischium, and pubis

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8
Q

anterior of bony pelvis

A

contains pubic symphysis, ischiopubic ramus, obturator foramen

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9
Q

posterior of bony pelvis

A

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

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10
Q

ligaments of bony pelvis

A

sacrotuberous and sacrospinous

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11
Q

sacrotuberous ligament

A

runs from sacrum to ischial tuberosity

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12
Q

sacrospinous ligament

A

runs from sacral to ischial spine

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13
Q

sacrospinous ligament separates _

A

greater and lesser sciatic foramen

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14
Q

greater sciatic foramen

A

connects pelvis and gluteal region

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15
Q

lesser sciatic foramen

A

connects gluteal region and perineum

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16
Q

urogenital triangle

A

contains urethra and external genitalia

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17
Q

urogenital triangle extends from

A

pubic symphysis to ischial tuberosity

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18
Q

anal triangle contains _

A

anal canal and anus

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19
Q

anal triangle extends from _

A

ischial tuberosity to coccyx

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20
Q

the obturator internus muscle contributes to _

A

the lateral boundary of the perineum

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21
Q

obturator internus originates _

A

from the inside of the obturator foramen

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22
Q

obturator internus attaches to _

A

peripheral femur

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23
Q

pelvic diaphragm contributes to _

A

superior boundary of perineum

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24
Q

pelvic diaphragm consists of _

A

levator ani and coccygeus muscles

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25
Q

levator ani is composed of _

A

iliococcygeus, puborectalis, and pubococcygeus

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26
Q

iliococcygeus muscle arises from _

A

tendinous arch

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27
Q

ischioanal fossa

A

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

28
Q

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

A

pudenal nerve, internal pudenal artery, internal pudenal vein

29
Q

What supplies the perineum?

A

pudenal nerve, internal pudenal artery, internal pudenal vein

30
Q

pudenal nerve and internal pudenal vessels branch to serve _

A

anal region and UG triangle

31
Q

branches serving the external anal sphincter and skin around anus

A

inferior rectal artery and inferior rectal nerve

32
Q

hemorrhoids can occur in _

A

inferior rectal veins

33
Q

Scarpa’s fascia

A

(Camper’s); fatty layer

34
Q

Colles’ fascia

A

associated with UG triangle

35
Q

Dartos fascia

A

in males; associated with external genitalia

36
Q

perineal membrane

A

separates the UG triangle into superficial and deep perineal spaces

37
Q

deep perineal space

A

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

38
Q

superficial perineal space

A

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

39
Q

Where are erectile tissues located in male?

A

within superficial perineal space

40
Q

superficial perineal muscles

A

bulbospongiosus, ischiocavernous, and superficial transverse perineal

41
Q

erectile tissues in males

A

corpus spongiosum and corpus cavernosum (2)

42
Q

corpus spongiosum

A

bulb of penis

43
Q

corpus cavernosum

A

crus of penis

44
Q

ischiocavernosus muscle

A

overlies crus of penis

45
Q

bulbospongiosus muscle

A

overlies bulb of penis

46
Q

deep perineal space

A

lies between superficial perineal and pelvic diaphragm

47
Q

male deep perineal space muscles

A

external urethral sphincter and deep transverse perineal muscle

48
Q

male deep perineal space glands

A

bulbourethral glands (Cowper’s)

49
Q

pudendal nerve innervates _

A

muscles and erectile tissues of UG triangle

50
Q

pudendal nerve branches

A

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

51
Q

internal pudendal artery supplies _

A

muscle and erectile tissues of UG triangle

52
Q

internal pudendal artery branches

A

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

53
Q

4 tissue layers of penis

A

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

54
Q

deep arteries of penis

A

contain space around it to fill with blood during erection

55
Q

female superficial perineal space muscles

A

bulbospongiosus, ischiocavernosus, and superficial transverse perineal

56
Q

female erectile tissues

A

corpus spongiosum (2) and corpus cavernosum (2)

57
Q

corpus spongiosum (female)

A

bulb of vestibule

58
Q

corpus cavernosum (female)

A

crus of clitoris

59
Q

perineal body is convergence of _

A

bulbospongiosus, superficial transverse perineal, and external anal sphincter

60
Q

female deep perineal space muscles

A

external urethral sphincter and deep transverse perineal muscle

61
Q

female pudendal nerve branches

A

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

62
Q

pudendal nerve during labor

A

can be blocked (between ischial tuberosity and pubic ramus)

63
Q

female internal pudendal arteries branches

A

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

64
Q

female urethra passes only through _

A

deep and superficial perineal spaces

65
Q

male urethral subdivisions

A

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

66
Q

deep to superficial perineal layers

A

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

QUIZ 7 (12 decks)

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