GA1 - Perineum Flashcards

1
Q

anatomically, the perineum is defined as the ___ ___ of the pelvic cavity

A

entire outlet

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2
Q

perineum is separated from main pelvic cavity by the ___ ___

A

pelvic diaphragm

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3
Q

pelvic diaphragm is formed by 2 things

A

levator ani

coccygeus

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4
Q

perineum is a diamond shaped space bounded anteriorly by: ___ ___

A

symphysis pubis

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5
Q

perineum is a diamond shaped space bounded anteriolaterally by: ___ ___ ___

A

inferior pubic rami

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6
Q

perineum is a diamond shaped space bounded laterally by: ___ ___

A

ischial tuberosities

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7
Q

perineum is a diamond shaped space bounded posteriorlaterally by: ___ ___; ___ border of gluteus maximus

A

sacrotuberous ligaments

inferior

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8
Q

perineum is a diamond shaped space bounded posteriorly by: ___ ___ ___

A

tip of coccyx

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9
Q

anterior triangle of the diamond shaped space of the perineum is the ___ side

A

urogenital

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10
Q

posterior triangle of the diamond shaped space of the perinium is the ____ triangle

A

anal

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11
Q

2 parts of the perineum

A

anal

urogenital

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12
Q

anal canal is ___in long

A

1.5

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13
Q

anal canal has 3 things

A

pectinate line
anal valves
anal columns

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14
Q

upper part of the anal canal is from the ____

A

endoderm

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15
Q

upper part of the anal canal is ___ ___ epithelium

A

simple columnar

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16
Q

lower part of the anal canal is from the ___

A

ectoderm

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17
Q

lower part of the anal canal is ___ ___ epithelium

A

stratified squamous

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18
Q

3 cutaneous nerves of the perineum

A

inferior rectal nerve
perineal branch of S4
anococcygeal nerves

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19
Q

2 portions of the external anal sphincter

A

superficial and deep

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20
Q

external anal sphincter supplied by ___ fibers from the ___ nerve

A

GSE

pudendal

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21
Q

ischioanal fossa contains ___ ___

A

ischioanal fossa

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22
Q

ischioanal fossa is a wedge shaped space between the ___ and __ __

A

gmax

pelvic diaphragm

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23
Q

ischioanal fossa is filled with ____ tissue that contains the ___ nerve accompanied by __ ___ artery and vein

A

fibrofatty
pudendal
inferior pudendal

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24
Q

anocutaneous line separates the ____ and ___ lower anus

A

inner

external

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25
Q

___ __ is an occasional site of an abscess

A

ischioanal fossa

26
Q

anal fistula

A

abnormal canal between 2 cavitis; anus with ishcioanus fossa

fecal matter –> bacteria abscess

27
Q

pudendal canal contains ___ nerve and vessels

A

pudendal

28
Q

4 boundaries of the urogenital triangle

A

superficial fascia
superficial perineal pouch
urogenital diaphragm
deep perineal pouch

29
Q

superficial fascia contains 2 layers

A

fatty - campers

membranous - colles

30
Q

superficial perineal pouch contains 2 things

A

bulb of vestibule and crura of clitoris

31
Q

bulb of vestibule covered with ____ muscle

A

bulbospongiosus

32
Q

proximal end of corpus spondiosum is the ____ ___ ___

A

bulb of vestibule

33
Q

bulb of vestibule is ___ tissue

A

erectile

34
Q

crura of clitoris is covered by ___ muscle

A

ischiocavernosus

35
Q

crura of clitoris prevents ____ of blood

A

outflow

36
Q

proximal end of the corpra cavernosus is ___ ___ ___

A

crura of clitorius

37
Q

3 erectile bodies of clitoris/penis

A

2 corpus cavernosua

1 corpus spongiosum

38
Q

vagina has ____ corpus cavernosum

A

2.5

39
Q

penis has ___ corpus cavernosum

A

1

40
Q

bulbourethral glands ___ ___ of urethra and __ glans penis prior to sex

A

neutralizes acidity

lubricates

41
Q

penile urethra enclosed by ___

A

spongiosum

42
Q

urethra not enclosed within ___

A

clitoris

43
Q

superficial structures of the urogenital triangle in males (2)

A

penis

scrotum

44
Q

superficial perineal pouch in males lies betwen the ___ ___ of the urogenital diaphragm and the __ layer of the superficial fascia

A

inferior fascia

membranous (colles fascia)

45
Q

bulbospongiosus of the males covers ___ ___ ___

A

bulb of penis

46
Q

ischiocavernosus vocers the ___

A

crura

47
Q

perineal body is where the 3 muscles meet

A

bulbospongiosus
ischiocavernosus
superficial transverse perineal

48
Q

deep perineal pouch lies between the ___ and __ fasciae of the urogenital diaphragm

A

superior and inferior

49
Q

external urethral sphincter contains 2 things

A

deep transverse perineal muscle
bulbourethral glands
compressor urethrae

50
Q

dorsal nerve of penis is a branch of ___ nerve

A

pudendal

51
Q

4 muscles of the deep pouch

A

external urethral sphincter
compressor urethrae
embedded bulbourethral gland
deep transverse perineal

52
Q

female superficial contents of the urogenital triangle

A

vulva

53
Q

vulva contains 7 things

A
mons pubis
labia majora
labia minora
vestibule
vaginal orifice
openings of the greater vestibular glands
clitoris
54
Q

prepuce

A

skin fold that covers the clitoris

- just like the uncircumsized male

55
Q

bulbospongiosus expels last drop of ___

A

urine

56
Q

bulbospongiosus and ischiocavernosus maintains ___ to deny ___ return

A

erection

venous

57
Q

greater vestibular gland, or ____ gland, for lubrication

A

bartholin’s

58
Q

lymph of perineum consist of ____ lymph networks and ___ channels

A

subcutaneous

lymph

59
Q

all lymph from perineum eventually drains to the ___ __ lymph nodes

A

superficial inguinal

60
Q

superficial inguinal lymph nodes lie on the medial side of the ___ ___ vein

A

great saphenous

61
Q

protozoal infection where parasites are transmitted by mosquitos that attack lymphatic vessels where there is no drainage causing ___

A

elephantitis

62
Q

straddle injuries

A

damage to urethra that causes urine in the superficial fascia that goes around scrotum, penis and anterior abdominal wall