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RDS Test 1 > B8-044 Pelvic Nerves, Vessels, and Lymphatics > Flashcards

B8-044 Pelvic Nerves, Vessels, and Lymphatics Flashcards

1
Q

the ovarian/testicular arteries come off the aorta at what spinal level?

A

L2

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2
Q

the right gonadal vein drains into the

A

IVC

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3
Q

the left gonadal vein drains into the

A

left renal vein

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4
Q

provides main blood supply to all of the structures in the pelvis/perineum

A

internal iliac a.

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5
Q

branch of the posterior internal iliac a. that supplies the psoas, illiacus, quadratus lumbora, and cauda equina

A

iliolumbar a.

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6
Q

branch of the posterior internal iliac a. that supplies piriformis, erector spinae and nerves in sacral canal

A

sup/inf lateral sacral a.

veins drain into lumbar plexus – infection can spread to brain

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7
Q

branch of the posterior internal iliac a. that supplies the gluteal muscles, tensor fascilata, and piriformis

A

superior gluteal a.

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8
Q

branch of the anterior internal iliac a. that is a fetal remnant
obliterates and forms medial umbilical ligament

A

umbilical a.

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9
Q

branch of the anterior internal iliac a. that supplies superior bladder

A

superior vesical a. (via umbilical)

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10
Q

branch of the anterior internal iliac a. travels through the obturator foramen

A

obturator a.

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11
Q

branch of the anterior internal iliac a. that could be nicked during inguinal surgeries, leading to life threatening bleeding

A

obturator a.

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12
Q

branch of the anterior internal iliac a. that supplies the base of the bladder

A

inferior vesical a.

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13
Q

branch of the anterior internal iliac a. that supplies vas deferens, prostatic branches, and seminal vesicles in males

A

inferior vesical a.

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14
Q

branch of the anterior internal iliac a. that travels in the cardinal ligament to supply the uterus and vagina

A

uterine a

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15
Q

branch of the anterior internal iliac a. that is the main supply to perineal structures

A

internal pudendal a.

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16
Q

branch of the anterior internal iliac a. that descends between piriformis and coccygeus

A

internal pudendal a.

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17
Q

branch of the anterior internal iliac a. that supplies gluteus maximus, hamstrings, and pelvic diaphragm

A

inferior gluteal a.

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18
Q

branch of the anterior internal iliac a. that supplies rectum

can also supply some of prostate, seminal vesicles, vagina

A

middle rectal a.

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19
Q

artery that dives between the lumbosacral trunk and rami of S1

A

superior gluteal a.

(anterior internal iliac)

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20
Q

artery that dives between the rami of S2 and S3

A

inferior gluteal a.

(anterior internal iliac)

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21
Q

travels in the suspensory ligament

A

ovarian artery

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22
Q

travels in the cardinal ligament

A

uterine artery

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23
Q

superior rectal a. arises from

A

IMA

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24
Q

middle rectal a. arises from

A

anterior internal iliac a

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25
Q

inferior rectal a. arises from

A

internal pudendal a.

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26
Q

superior rectal vein empties into the […] system

A

portal

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27
Q

middle and inferior rectal vein empties into the […] system

A

caval

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28
Q

formed where the hindgut endoderm and ectoderm met

A

pectinate line

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29
Q

anus below the pectinate line is under […] muscle control

A

somatic

(inferior rectal n. via pudendal)

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30
Q

arterial supply below pectinate line

A

inferior rectal a.

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31
Q

lymphatics below pectinate line will go to

A

superficial inguinal lymph nodes

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32
Q

anus above the pectinate line is under […] muscle control

A

autonomic

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33
Q

blood supply above pectinate line

A

superior and middle rectal a

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34
Q

lymphatics above pectinate line will go to

A

internal iliac lymph nodes

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35
Q

superior rectal vein drains into […] system

A

portal

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36
Q

some lateral sacral veins drain into the […] plexus

A

internal vertebral venous plexus

(valveless plexus that travels to brain)

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37
Q

gonads drain into the […] lymph nodes

A

lumbar

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38
Q

bladder drains into the […] lymph nodes

A

superior: external iliac
inferior: internal iliac

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39
Q

rectum drains into the […] lymph nodes [4]

A

inferior mesenteric
pararectal
sacral
internal iliac

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40
Q

scrotum drains into the […] lymph nodes

A

superficial inguinal

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41
Q

external genitalia drains into the […] lymph nodes

A

superficial inguinal

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42
Q

prostate drains into the […] lymph nodes

A

internal iliac

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43
Q

pudendal nerve arises from what spinal levels?

A

S2-4

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44
Q

pudendal nerve travels with […] artery

A

internal pudendal

(exact same pathway and gives off the exact same branches)

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45
Q

exits pelvis through greater sciatic foramen between piriformis and coccygeus,
then dives deep to the sacrotuberous ligament

A

pudendal nerve

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46
Q

pudendal nerve lies deep to […] ligament to enter the pudendal canal

A

sacrotuberous

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47
Q

pudendal canal is located between

A

obturator fascia and obturator muscle

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48
Q

branch of pudendal nerve that innervates the deep and superficial pouches of the perineum

A

deep perineal n.

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49
Q

branch of pudendal nerve that terminates as the posterior scrotal/labial nerves

A

superficial perineal n.

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50
Q

the pudendal n. terminates as […] nerve

A

dorsal nerve of penis/clitoris

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51
Q

branch of pudendal nerve that crosses the ischioanal fossa

A

inferior rectal n.

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52
Q

branch of pudendal nerve that innervates motor to external anal sphincter

A

inferior rectal n.

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53
Q

branch of pudendal nerve that innervates sensory to the anal canal inferior to pectinate line and skin around the anus

A

inferior rectal n.

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54
Q

branch of pudendal nerve that innervates sensory to skin around perineal body
and sensory to skin of scrotum/labia

A

superficial perineal n.

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55
Q

branch of pudendal nerve that innervates motor to the muscles of the deep and superficial perineum

A

deep perineal n.

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56
Q

branch of pudendal nerve that innervates sensory to the vestibule and inferior vagina

A

deep perineal n.

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57
Q

branch of pudendal nerve that innervates sensory to clitoris or dorsum of penis

A

dorsal nerve of clitoris/penis

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58
Q

branch of pudendal nerve that innervates motor to external urethral sphincter

A

dorsal nerve of clitoris/penis

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59
Q

pelvic splanchnics arise from what spinal levels?

A

S2-4

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60
Q

physiologic information travels with [parasympathetics/sympathetics]

A

parasympathetics

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61
Q

above the pelvic pain line, pain travels with [parasympathetics/sympathetics]

A

sympathetics

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62
Q

[parasympathetics/sympathetics] function to maintain internal tone of internal anal sphincter and inhibit peristalsis of rectum

A

sympathetics

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63
Q

[parasympathetics/sympathetics]
function to inhibit contraction of the internal anal sphincter and stimulate peristalsis of rectum

A

parasympathetics

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64
Q

[parasympathetics/sympathetics]
travel in lumbar splanchnics

A

sympathetics

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65
Q

[parasympathetics/sympathetics]
travel in pelvic splanchnics

A

parasympathetics

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66
Q

what nerve allows for conscious relaxation of the external anal sphincter when ready to defecate?

A

pudendal nerve (somatic motor of rectum)

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67
Q

[parasympathetics/sympathetics]
function to contract the internal urethral sphincter
prevents semen from entering the bladder during ejaculation

A

sympathetics

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68
Q

[parasympathetics/sympathetics]
contracts detrusor muscle

A

parasympathetics

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69
Q

[parasympathetics/sympathetics]
inhibit internal urethral sphincter

(relaxes)

A

parasympathetics

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70
Q

[parasympathetics/sympathetics]
prevents semen from entering the bladder during ejaculation

A

sympathetics

71
Q

allows for voluntary contraction of the external urethral sphincter

A

dorsal nerve of clitoris/penis (somatic motor of bladder)

72
Q

[parasympathetics/sympathetics]
may cause uterine contractions and vasoconstriction but under hormonal control

A

sympathetic

73
Q

[parasympathetics/sympathetics]
may cause uterine inhibition and vasodilation but under hormonal control

A

parasympathetics

74
Q

above the pelvic pain line, pain travels with [parasympathetics/sympathetics]

A

sympathetics

75
Q

below the pelvic pain line, pain travels with [parasympathetics/sympathetics]

A

parasympathetics

76
Q

somatic motor fibers to the urethrovaginal sphincter are carried by the […] nerve

A

dorsal nerve of clitoris (off pudendal)

77
Q

pain from the fundus and body of the uterus will travel with [parasympathetics/sympathetics]

A

sympathetics

above the pelvic pain line with sympathetics

78
Q

pain from the cervix and most of vagina will travel with
[parasympathetics/sympathetics]

A

parasympathetics

79
Q

[parasympathetics/sympathetics]
originate from T12-L2

A

sympathetics

80
Q

[parasympathetics/sympathetics]
originate from S2-S4

A

parasympathetics

81
Q

landmark for pudendal nerve block

A

ischial spine

82
Q

innervates labia minora

A

superficial perineal n.

83
Q

innervates labia majora

A

posterior labial n.

84
Q

innervates vestibule of vagina

A

deep perineal n.

85
Q

innervates perianal region of the skin

A

inferior anal (rectal) n.

86
Q

damage to the […] nerves that travel along the prostate can affect the ability to get an erection

A

cavernous n.

87
Q

[parasympathetics/sympathetics]
responsible for producing penile erection

A

parasympathetic

88
Q

[parasympathetics/sympathetics]
stimulate contraction of internal urethral sphincter to prevent retrograde flow of semen into bladder

A

sympathetics

89
Q

[parasympathetics/sympathetics]
stimulates rapid peristalsis of vas deferens and discharge of sperm

A

sympathetic

90
Q

[parasympathetics/sympathetics]
stimulates contraction of seminal glands and prostate

A

sympathetics

91
Q

[…] nerve contracts the bulbospongiosus forcing semen from penis base

A

deep perineal n. (somatic motor)

92
Q

[…] nerve contracts the bulbospongiosus and ischiocarvernousus muscles to limit venous blood flow from erectile tissue

A

deep perineal n. (somatic motor)

93
Q

[parasympathetics/sympathetics]
constriction of helical arteries reducing blood flow into cavernous tissue during remission

A

sympathetic

94
Q

[parasympathetics/sympathetics]erection

A

parasympathetic

95
Q

[parasympathetics/sympathetics]
emission and ejaculation

A

sympathetic

96
Q

[parasympathetics/sympathetics]
remission

A

sympathetic

97
Q

[…] splanchnic nerves carry visceral pain fibers from pelvic organs above the pelvic pain line

A

lumbar

98
Q

[…] splanchnic nerves carry visceral pain fibers from pelvic organs below the pelvic pain line

A

pelvic

parasympathetic

99
Q

[…] nerve provides sensation to most of the perineum

A

perineal n.

100
Q

provides sensation to the skin and glans of the penis
and innervates the external urethral sphincter

A

dorsal n. of penis

101
Q

provides sensory and motor innervation to the inferior anus below the pectinate line

A

inferior rectal n.

102
Q

provides sensory and motor innervation to external anal sphincter

A

inferior rectal n.

103
Q

provides sensory and motor innervation to skin around the anus

A

inferior rectal n.

104
Q

the bulbospongiosus muscle receives blood from the […] artery

A

perineal branches of internal pudendal

105
Q

the inferior bladder, prostate, seminal vesicles, and ejaculatory ducts are supplied by […] artery

A

inferior vesicle

106
Q

receive lymphatic drainage from all of the perineum and external genitalia

A

superficial inguinal nodes

107
Q

receive lymph from the upper anal canal, gluteal region, and pelvic viscera

A

internal iliac nodes

108
Q

receive lymph from the pelvic organs in direct contact with the peritoneum

(superior bladder, superior ureters, superior seminal vesicle)

A

external iliac nodes

109
Q

receive lymph from ovaries, uterine tubes, and fundus of uterus

A

lumbar lymph nodes

110
Q

receive lymph from glans clitoris

A

deep inguinal lymph nodes

111
Q

[…] splachnic nerves provide parasympathetic innervation to the detrusor muscle and inhibit the urethral sphincter

A

pelvic

112
Q

[…] splachnic nerves cause contraction of the internal urethral sphincter and prevent semen from entering the bladder during ejaculation

A

lumbar

113
Q

[…] splachnic nerves carry sympathetic fibers for innervation of the lower limbs for vasomotor, pilomotor, and sudomotor function

A

sacral

114
Q

[…] artery supplies blood to the corpus cavernosum during erection

A

deep artery of penis

115
Q

[…] artery supples blood to the inferior anus below the pectinate line

A

inferior rectal

116
Q

the lumbar splanchnics carry […] fibers into the pelvis

A

sympathetic

117
Q

Colle’s fascia is continuous with [3]

A

dartos
penile
scarpas

(allows for accumulation of fluid)

118
Q

boundaries of superficial pouch

A

perineal membrane
colles fascia

119
Q

boundaries of deep pouch

A

pelvic floor fascia (levator ani fascia)
perineal membrane

120
Q

[deep or superficial pouch]
bulb of penis

A

superficial

121
Q

[deep or superficial pouch]
crus of penis

A

superficial

122
Q

[deep or superficial pouch]
ischiocavernosus muscle

A

superficial

123
Q

[deep or superficial pouch]
bulbospongiosus muscle

A

superficial

124
Q

[deep or superficial pouch]
spongy urethra

A

superficial

125
Q

[deep or superficial pouch]
superficial transverse perineal muscles

A

superficial

126
Q

[deep or superficial pouch]
deep perineal branches of the internal pudendal vessels/nerves

A

superficial

127
Q

[deep or superficial pouch]
body of clitoris

A

superficial

128
Q

[deep or superficial pouch]
crus of clitoris

A

superficial

129
Q

[deep or superficial pouch]
bulb of vestibule

A

superficial

130
Q

[deep or superficial pouch]
greater vestibular glands

A

superficial

131
Q

[deep or superficial pouch]
urethra

A

deep

132
Q

[deep or superficial pouch]
external urethral sphincter

A

deep

133
Q

[deep or superficial pouch]
anterior recess of ischioanal fossa

A

deep

134
Q

[deep or superficial pouch]
deep transverse perineal muscles

A

deep

135
Q

[deep or superficial pouch]
bulbo-urethral glands (Cowpers)

A

deep

136
Q

[deep or superficial pouch]
dorsal nerve of penis/clitoris

A

deep

137
Q

[deep or superficial pouch]
dorsal artery of penis/clitoris

A

deep

138
Q

[deep or superficial pouch]
smooth muscle (in place of deep perineal muscles in females)

A

deep

139
Q

what vessels lie in proximity to the sacro-iliac joint? [2]

A

common iliac a. bifurcates into external/internal there
gondal arteries

140
Q

what structure lies in proximity to the sacro-iliac joint?

(medial to gonadal arteries)

A

ureter

141
Q

what nerves lie in proximity to the sacro-iliac joint?

A

lumbo-sacral trunk of sacral plexus

L5-S1ish area

142
Q

what nerve lies in proximity to the pelvic rami?

A

obturator

143
Q

what structures lie in proximity to the pelvic rami? [4]

A

vas deferens
bladder
urethra
prostate

144
Q

what vessels lie in proximity to the sacrum? [2]

A

median sacral
inf. and sup. gluteal

145
Q

muscles of the external urethral sphincter that are stretched in childbirth and can lead to incontinence [2]

A

compressor urethra
urethro-vaginal sphinter

146
Q

what branch of pudendal innervates the external urethral sphincter?

A

dorsal nerve of clitoris/penis

147
Q

[sympathetic/parasympathetics] control the internal urethral sphincter

A

sympathetics

via lumbar splanchnics

148
Q

[sympathetic/parasympathetics]
contract detrusor muscle

A

parasympathetics

via pelvic splanchnics

149
Q

sense stretch of bladder

A

visceral afferents

150
Q

pain from the top of the bladder with travel with the […]

A

sympathetics

151
Q

pain from the bottom of the bladder will travel with the […]

A

parasympathetics

152
Q

lymphatics from the prostate go to […] nodes

A

internal iliac

153
Q

vascular supply to prostate

A

inferior vesicle artery

154
Q

cavernous nerves are [parasympathetic/sympathetic] fibers

A

parasympathetics

155
Q

damage to […] nerve fibers can cause urinary incontinence

A

sympathetic

156
Q

ovary/testical drain to what lymph node?

A

lumbar node

(aka aortic or caval; scrotum has different nodes)

157
Q

scrotum drains to what lymph node?

A

superficial inguinal

158
Q

what arteries supply the bladder?

A

super and inferior vesicular

159
Q

what arteries supply the prostate? [2]

A

inferior vesicle a.
middle rectal a.

160
Q

what arteries supply the rectum? [3]

A

superior, middle, and inferior rectum

161
Q

what arteries supply the uterus? [2]

A

uterine a.
branches of ovarian a.

162
Q

what artery supplies the structures of the perineum?

A

internal pudendal a.

163
Q

parasympathetics are located at what spinal level?

A

S2-4

164
Q

sympathetics are located at what spinal level?

A

T12-L2

165
Q

landmark for pudendal nerve block

A

ischial spine

166
Q

lymphatic drainage from the external genitalia passes to the […] nodes

A

superficial and deep inguinal

167
Q

the superior bladder will drain into the […] nodes

A

external iliac

168
Q

the inferior bladder will drain into the […] nodes

A

internal iliac

169
Q

the ovary and uterine tubes will drain into the […] nodes

A

lumbar

(aortic/caval)

170
Q

sensory deficits around the anus and the vestibule of the vagina indicate damage to the […] nerve

A

pudendal

171
Q

provides sensation to the skin around anus

A

inferior rectal nerve

172
Q

sensation to the anterior scrotum is supplied by [2]

A

ilioinguinal
genitofemoral

173
Q

lymphatic drainage of the testis goes to the […] nodes

A

lumbar

(due to descent from posterior abdominal wall during development)

RDS Test 1 (23 decks)

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