Pelvis and Perineum Flashcards Preview

Anatomy > Pelvis and Perineum > Flashcards

Flashcards in Pelvis and Perineum Deck (134):
1

what type of joint is the lumbosacral jt

symphysis (secondary cartilagenous)

2

the sacroilliac is what type of joint ?

compound joint (plane and syndesmosis

3

pubic symphysis is what type of joint

secondary cartilagenous

4

what two ligaments help the sacrom from tilting upward

sacrospinous and sacrotuberous ligament

5

what prevents the sacrum from sliding forward

articular prrocesses and the illiolumbar ligaments

6

which sex has a wider sciatic notch

females

7

which sex has a wider subpubic angle

females

8

which sex has a longer pubis bone /

females

9

other names for the pelvic diaphragm

urogenital diaphragm or deep perineal pouch

10

what helps seperates the pelvic cavity from the perineum

pelvic diaphragm

11

what three muscles make up the levator ani

pubococcygeus puborectalis and iliococcygeus

12

what muscles make up the pelvic diaphragm

levator ani and coccygeus

13

levator ani are innervated by

S4 (nerve to levator ani and inferior rectal n

14

coccygeus are innervated by

S3-S4

15

relaxation or contraction of the puborectalis allows you to defecate ?

relaxes

16

what is the pubovesical ligament

pubis to bladder or prostate

17

heart shaped pelvic inlet

males

18

round shaped pelvic inlet

females

19

innervation of the obturator internus

nerve to obturator internus L5-S1

20

innervation of the piriformis

branches from L5, S1 and S2

21

action of the obturator internus and piriformis

lateral rotation of the extended hip joint

22

insertion of obturator internus and piriformis

medial side of greater trochanter

23

List what passes below piriformis muscle

inflerior gluteal a,v,n
internal pudendal vessels
posterior femoral cutaneous nerve
obturator internus
quadratus femoris

24

function of the coccyx

pulls coccyx forward after defecation

25

what is the innervation of the deep perineal pouch /?

perineal branches S2-S4

26

male ureter passes

under ductus deferans

27

female ureter passes

under uterine artery

28

blood supply to ureter

gonadal, renal, common and internal iliac, vsical and uterine

29

innervation of ureters

renal, aortic, superior and inferior hypogastric plexus (T10-L1)

30

lymphatic drainage of ureters

aortic nodes, common, internal and external iliac lymph nodes

31

What stabilizes the bladder ?

puboprostatic/pubovesical holds the neck
posteriorly hed by rectovesical ligaments
median umbilical ligmanet attaches bladder to the umbillicus

32

detrusor muscle is innervated by parasympathetics or sympathetics

parasympathetics

33

arterial supply to bladder

superior vesical, inferior vesical, vaginal

34

bladder drains to

external and internal iliac nodes

35

bulborethal glands secrete into

spongy/penile urethra

36

blood supply to male urethra

inferior vesical, middle rectal, internal pudendal arteries

37

what is the tissue that surrounds the uretrha

corpus spongiosum

38

inferolateral portion of the prostate is realted to

levator ani

39

prostatic capsule

dense covering surrounded by fibrous capsule around prostate that is continuous with puboprostatic ligaments (prostatic plexus lies between capsule and the sheath)

40

blood supply to the prostate

inferior vesical, internal pudendal, middle rectal arteries

41

innervation of prostate

pelvic splanchnic nerves and inferior hypogastric plexus

42

venous drainage of prostate

vesicular plexus communicates with internal vertebral plexus

43

what structure does the ductus deferans cross posterior to the bladder

ureter

44

blood supply to seminal vesicals

inferior vesical and middle rectal arteries

45

structures important in uterine support

levator ani
deep perineal pouch
pelvic organs (bladder)
uterine ligaments

46

transverse cervical ligament

cervix and lateral fornices of vagina to lateral pelvic wall

47

uterosacral ligaments

sides of cervix to middle sacrum

48

round ligament

uterus to labia majora

49

ovarian ligament

uterus to ovary

50

blood supply to the uterus

majority from uterine artery

51

fundus of uterus

drains to lumbar, external illiac

52

body of uterus

drains to external illiac

53

cervix of uterus

internal illiac and sacral lymph nodes

54

where uterine tubes join uterus what is lymphatic drainage

superficial inquinal lymph nodes (follows round ligament)

55

innervation of uterus

S2,3,4 sympathetics, lumbar splanchnics, intermesenteric, and hypogastric plexues

56

what are the four vaginal sphincters

pubovaginalis, external urethral sphincter, uretrhovaginal sphincter and bulbospongiosus

57

upper 2/3 of vagina drains

internal and external iliac

58

lower 1/3 of vagina drains

superficial inquinal

59

upper 2/3 of the vagina innervation

visceral innervation

60

lower 1/3 of the vagina innervation gets

somatic innervation

61

venous drainage of vagina

drains to internal iliac veins

62

blood supply to vagina is

uterine and vaginal arteries

63

blood supply to the ovaries

ovarian arteries

64

nerve to the ovaries

pelvic splanchnics

65

lymph drainage to ovaries

lumbar lymph nodes

66

labium majora drains to

superficial inquinal

67

rectum starts at what level

S2.S3

68

blood supply to rectum

superior, middle and inferior rectal

69

innervation of rectum

hind gut innervation
sympathetic- lumbar splanchnics (superior hypogastric) and parasympathetics- pelvic splanchnics

70

contents of the superficial pouch

2 erectile bodies and 3 muscles

71

what are the 2 erretile bodies of the superfical pouch

corpus spongiousm and corpus cavernosum

72

what are the three muscles of the superficial pouch

bulbospongiosus
ischiocavernosus
superficial transverse perineal

73

what are the muscles of the deep pouch

deep transverse perineal
external urethral sphincter
urethrovaginal sphincter (F)
compressore urethrae (F)

74

colles fascia is continues with

scarpas fascia

75

attachments of colles fascia

fascia lata of thigh, pubic arch, posterior border of perineal membrane

76

dartos fascia is

superficial perineal fascia on the penis/scrotum

77

deep perineal fascia is continous with fascia of the

external oblique and external spermatic fascia

78

deep perineal fascia is called

bucks fascia

79

what forms the suspensory ligament of the penis and clitoris

bucks fascia

80

bulb of the penis is penetrated by

urethra

81

what is the function of the ischiocavernosus muscle

arises from ischial tuberosity and pubic ischial rami and functions to move flood from caudal to more rostral levels of the corpora cavernosus and compresses the deep dorsal vein of the penis

82

what is the function of the bulbospongiosus muscle

empties urethra, compresses erectile tissue, compresses deep dorsal vein, contracts repeatedly during ejaculation

83

what is the blood supply to the vulva

internal pudendal and external pudendal

84

what is lymphatic drainage of the vulva

superficial inquinal lymph nodes

85

what arteries are associated with errection

deep arteries and branches of dorsal aorta

86

venous drainage of the penis/clitoris

superficial dorsal vein drains penis/clitoris into the superficial external pudendal external pudendal drains ant. labia majora and scrutom into femorall

87

impotence is caused by

traumatic injury to pudendal nerve or pelvis splanchnic nerves

88

what innervates the external anal sphincter, and sensory to skin of anal triangle

inferior rectal nerve

89

what runs into the ug triangle and supplies sensory to posterior scrotal and labia and motor supply to skeletal muscle

perineal n

90

what nerve supplies sensory to penis and clitoris

dorsal nerve of penis/clitoris

91

levels of sympathetic innervation to ureter and bladder

t10-l2

92

level of sympathetic innervation to gonads

T10-11

93

level of sympathetic innveration to epididymus, ductus and seminal vesicles

T11-T12

94

level of sympathetic innervation to prostate

T11-L1

95

level fo sympathetic innervation to uterus

T12-L1

96

level of sympathetic innervation to the uterine tube

T10-L1

97

android pelvis

heart shaped male

98

anthropoid

rounded male

99

gynecoid

heartshaped more narrow heart, female

100

platypelloid

oval and wide, uncommon

101

obstetric conjugate

top pubic symphysis to sacral promotory

102

diagnonal conjugate

bottom of pubic symphyss to scaral promotory

103

true obstetric conjugate

back of pubic symphysis to sacrap promotory

104

interspinous distance

between the ischial spines

105

uterine artery from internal iliac anastomoses with

ovarian artery

106

iliolumbar/circumflex iliac from internal iliac anastomose with

lumbar arteries from aorta

107

lateral sacral off the interna illiac anatomose with

median sacral off aorta

108

middle rectal off internal illiac anastomose with

superior rectal from IMA

109

inferior gluteal off internal illiac anastomoses with

profunda femoris (femoral)

110

phimosis

condition where the foreskin cannot be retracted over the glans penis and can interfere with urinary and reproductive function

111

paraphimosis

constriction of the glands from a tight band of foreskin which can lead to ischemia

112

what nerve is through the ischioanal fossa

inferior rectal nerve (causes incontinence)

113

what nerves responsible for errection

parasympathetic s2-4 vascular smooth muscle and pudendal nerve S2-4 contraction of perienal muscles

114

what nerves are responsible for emission

L1-L2 sympathetic contraction of smooth muscle in ductus deferans

115

what nerves are responsible for ejaculation

L1-L2 sympathetic for closure of internal urethal sphincter, S2-s4 parasympathetic contraction of urethral smooth muscle and Pudendal S2-s4 for contraction of perineal muscles

116

action of parasympathetics on detrusor

excite detrusor

117

somatic S2-S4 action in micturition

voluntary relaxation of the urethral sphincter

118

upper part of anal canal and rectum drains to

IMN

119

lower poart of anal canal and rectum drains to

pararectal, sacral, internal iliac and superficial inquinal

120

superior part of bladder drains to

external iliac lymph nodes

121

inferior part of bladder drains to

internal iliac lymph nodes

122

prostate drains to

internal illiac

123

penis drains to

internal iliac

124

tests drain to

lumbar lymph nodes

125

perineal skin drains to

superficial inquinal

126

distal corpus spongiosum/glans drains to

deep inquinal lymph nodes

127

urterine tube and ovary drain to

lumbar

128

uterus fundus drains to

lumbar

129

cervix of uterus drains to

external and internal iliac, obturator and sacral

130

round ligament drains to

superficial inquinal

131

upper 2/3 of vagina drains to

internal and external iliac, sacral

132

lower 1/3 of vagina drains to and vulva

superficial inquinal

133

posterior scrotum receives cutenous innervation from

pudendal nerve (s2-s4)

134

anterior scrotum receives cutaneous innervation from

illioinguinal nerve l1