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ANATOMY 2! > Pelvis LO's > Flashcards

Pelvis LO's Flashcards

1
Q

The innominate Bony Pelvis is a collection of 3 bones that form the pelvis.
What are the bones and what location are they in??

A

1.) Ilium (SUP) 2.) Pubis (ANT-INF) 3.) Ischium (POST-INF).

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2
Q

The three innominate bones come together and form the?

A

Acetabulum for Femur

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3
Q

what encloses the pelvis ?

A

The pubic symphysis

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4
Q

What is another name for the pelvic “brim” ?

A

Pelvic Inlet

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5
Q

The Pelvic “Brim” or inlet divides pelvis into two parts what are they?

A

Greater (False), Lesser (True).

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6
Q

Name the 4 components/boundaries of the pelvic inlet/outlet. (clockwise) ?

A

Sacral Promontory, Arcuate line, Pectineal line, Pubic Symphysis.

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7
Q

Is the Greater Pelvis False or True ?

A

False

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8
Q

Is the Lesser Pelvis False or True ?

A

True

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9
Q

Which is most SUP, the Greater or Lesser Pelvis?

A

Greater (false) pelvis.

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10
Q

Is the Pelvic inlet SUP or INF?

A

SUP

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11
Q

Is the pelvic outlet SUP or INF ?

A

INF

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12
Q

Which pelvic inlet is bounded by pelvic inlet/outlet?

A

Lesser (true) pelvis

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13
Q

Name the Pelvic Joints ?

A

SI joint & pubic symphysis.

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14
Q

Name the 5 Pelvic ligaments ?

A

ANT Sacroiliac lig, Sacrospinous lig, Sarcotuberous lig, ANT longitudinal lig, iliolumbar ligaments

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15
Q

Which ligaments stabilize the SI joint ?

A

ANT Sacroiliac lig, Sacrospinous lig, Sarcotuberous lig,

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16
Q

Function of the ANT Longitudinal Ligament?

A

limits movement.

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17
Q

what forms the division between the Greater and lesser sciatic foramen ?

A

Sacrospinous lig

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18
Q

Where do the iliolumbar ligaments attach to ?

A

transverse processes (of lumbar) to iliac crest.

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19
Q

Differences between male and female pelvis ?

A

MALE: smaller subpubic angle 70 deg ; Female: Larger subpubic angle 90-100 deg.

Male: Heart shaped inlet, narrow outlet, narrow cavity, convex sacrum.

Female: Oval-shaped inlet, Roomy outlet, roomy cavity, wide/flat sacrum.

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20
Q

Name the 2 groups pelvic floor muscles?

A

1) Levator Ani &

2) Coccygeus.

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21
Q

name the three muscles of “Levator Ani” ?

A

Pubo-rectalis, Pubo-coccygeus, Ilio-coccygeus.

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22
Q

Attachments of Pubo-rectalis muscle ?

A

from pubic bone and wraps around rectum then back to opposite pubic bone.

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23
Q

Attachments of Pubo-coccygeus muscle ?

A

pubic bone wraps around toward coccyx then goes back to pubic bone.

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24
Q

Attachments of Ilio-coccygeus muscle ?

A

ilium to coccyx then back to ilium

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25
Q

What is the most posterior muscle of pelvic floor and location?

A

Coccygeus: comes from coccyx & sacrum out to ischial spine.

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26
Q

Name the Lateral wall pelvic muscles?

A

Piriformis, Coccygeus, Obturator internus

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27
Q

Below what muscle is there a TENDINOUS arch of levator ani ?

A

Obturator internus

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28
Q

what muscle goes through the greater sciatic foramen ?

A

Piriformis muscle

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29
Q

Where do the ureters pass to get to bladder

A

posterior aspect of urinary bladder

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30
Q

Where are the terminal parts of the digestive system?

A

the pelvic vicera

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31
Q

Where does rectum get blood supply from?

A

IMA & IIA (inferior iliac artery)

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32
Q

Where does venous drainage of rectum go into?

A

portal system (HPV)

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33
Q

size of rectum?

A

5 inches long

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34
Q

Walls of rectum are?

A

smooth

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35
Q

Where is bladder ?

A

posterior to pubic symphysis

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36
Q

What is the urinary bladder secured to ?

A

secured to pubic bone

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37
Q

What ligament attaches to bladder ? (male/female)

A

FEMALE: subvesicular ligaments, MALE puboprostatic ligaments.

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38
Q

where is the female uterus ?

A

above (SUP) to bladder

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39
Q

where is rectum in relation ?

A

POST to bladder & uterus

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40
Q

Path of male Urethra ?

A

out INF bladder, through prostate, through pelvic floor, into erectile tissue of penis

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41
Q

Where is Ductus Deferens?

A

SUP to Ureters (post aspect of bladder)

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42
Q

where does sperm mature ?

A

epididymis of testis

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43
Q

describe flow of sperm

A

epidermis of testis, up to ductus deferens through inguinal canal, through prostate, urethra.

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44
Q

What do the seminal glands meet up with?

A

ductus deferens

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45
Q

where is the seminal gland

A

INF to ductus deference

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46
Q

what % of ejaculatory contents are from seminal glands

A

85%

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47
Q

where is the ejaculatory duct and its contents

A

ductus deferens + seminal glands form the ejaculatory duct in the prostate

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48
Q

shape of prostate? location of prostate?

A

pyramid shape, INF to bladder.

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49
Q

bulbourethral glands are located where?

A

INF to prostate, inside perineal musculature

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50
Q

Name the 4 parts of the Male Urethra?

A

Pre-prostatic (not as important)

Prostatic

Membranous

Spongy

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51
Q

path of ovum

A

ovary -> fimbriae (fingers) -> infundibulum ->ampula -> isthmus -> uterine cavity.

52
Q

what’s on the end of infundibulum ?

A

fimbriae (finger like projections)

53
Q

3 parts of Uterus and location

A

Fundus (SUP), Body (middle) , Cervix (INF)

54
Q

where is vagina

A

INF to Cervix of Uterus

55
Q

main covering of the Uterus is called ?

A

the broad ligament

56
Q

vessels of the ovaries

A

ovarian A & V

57
Q

vessels of the Uterus

A

broad ligament

58
Q

vessels of vagina

A

vaginal, uterine, internal pudendal vessels

59
Q

most commonly injured vessels of pelvis are

A

ext/int iliac and obturator; due to pelvic fracture

60
Q

nerves and vessels of the pelvis are

A

EXTRAPERITONEAL

61
Q

vessel and nerve location in pelvis

A

AVN; arteries are medial, veins lateral, nerves most lateral

62
Q

Where is the perineum

A

INF to pelvic floor

63
Q

function of perineum

A

support openings of pelvic floor

64
Q

boundaries of the perineum (clockwise)

A

pubic symphysis, ischiopubic rami, ischial tuberosity, sacrotuberous lig, sacrum/coccyx

65
Q

contents of the perineum

A

genitals and anus

66
Q

2 divisions of the perineum

A

Urogenital triangle & anal triangle

67
Q

what is post to the rectum

A

coccyx

68
Q

bony landmarks of perineum

A

pubic symphysis (ANT), Coccyx (INF), 2 ischial tuberosity (BL)

69
Q

Fupa of the pussy

A

mons pubis

70
Q

contents of Vulva

A

mons pubis, labia minora, labia majora, clitoris, urethral opening, vaginal opening.

71
Q

male ext genitalia

A

penis, scrotum, anus

72
Q

what is the pereneal body

A

muscle between vagina and anus, serves to anchor

73
Q

where is the Ischiocavernosus muscle

A

lateral

74
Q

Where is Bulbospongiosus ?

A

medial

75
Q

where is the perineal membrane?

A

between the ischicavernosus & bulbospongiosus muscle

76
Q

what is beneath the perineal facia

A

Deep Transverse Perineal Muscle

77
Q

what does external anal sphincter do?

A

closes off anus

78
Q

why is perineal muscle important

A

endurance issues can cause incontinence

79
Q

nerve supply to perineum and anus?

A

Internal pudendal A/V & nerve

80
Q

Nerve to EXT anal sphincter

A

Inferior rectal artery & Nerve

81
Q

Nerve supply to labial structures

A

Post labial nerve

82
Q

Nerve supply to clitoris; and off what muscle

A

Dorsal clitoral artery & Nerve; come off ischocavernosus muscle

83
Q

nerve supply to penis

A

Dorsal Penal Artery & Nerve

84
Q

nerve supply to scrotum (homologous to labia)

A

Post scrotal N & A.

85
Q

what innervates the thigh

A

post femoral cutaneous nerve of the thigh

86
Q

what does pudendal innervate

A

skin around penis, scrotum, anus, labia, clitoris (lick-able parts)

87
Q

what is ‘FUPA” innervated by

A

ilioinguinal, genitofemoral, genital, labial nerve

88
Q

Female erectile tissues (3)

A

vestibular bulb, crus “leg” of clitoris, glans of clitoris

89
Q

what wraps around vestibular bulb

A

bulbospongiosum muscle

90
Q

what wraps around the crus of clitoris

A

ischiocavernosus muscle

91
Q

what wraps around glans of clitoris

A

clitoris

92
Q

what is contained in the ischoanal fossa

A

fat pads, house the pudendal canal.

93
Q

Where is the ischioanal fossa

A

in anal triangle

94
Q

main roles of ischioanal fossa

A

support rectum and house pudendal canal

95
Q

what is the glans of the penis

A

distal enlargement of the corpus spongiosum

96
Q

when is the urethra considered “spongy urethra”?

A

once it enters corpus spongiosum

97
Q

what is corpus spongiosum

A

“hot dog of the penis”

98
Q

what is corpus cavernosum

A

“bun of the penis”

99
Q

what is crus of the penis

A

2 legs that end up coming together to form the corpus cavernosum

100
Q

what is the bulb of the penis

A

the Base; or enlargement of corpus spongiosum

101
Q

bulbospongiosum muscle covers what part of penis

A

the corpus spongiosum

102
Q

what does the ischocavernosus muscle cover

A

the crus or corpus cavernosum of penis; covers crus of clitoris

103
Q

deep layer of facia of scrotum is the?

A

tunica dartos

104
Q

what elevates the testis

A

cremasteric facia and muscle

105
Q

what is first layer that wraps around the spermatacord ?

A

external spermatic facia

106
Q

common iliac artery bifurcates into

A

internal and external iliac artery

107
Q

which artery has an ANT and POST division

A

internal iliac artery

108
Q

what does the post division of INT iliac turn into ?

A

iliolumbar, lateral sacral, sup gluteal

109
Q

what does the ANT division of INT iliac a turn into ?

A

umbilical, superior vessical (off of umbilical), obturator, couple more then internal pudendal

110
Q

where does internal pudendal a pass through ?

A

lesser sciatic foramen

111
Q

what does int pudendal a turn into after passing through the lesser sciatic foramen

A

inferior rectal

112
Q

branches off internal pudendal a. turn into ……..

A

inf rectal, perineal a. then posterior scrotal a. OR posterior labial artery & deep/dorsal of penis and clit

113
Q

internal pudendal artery’s last branch is to ____ & _____

A

deep artery of penis & dorsal artery of penis. OR deep artery of clitoris & dorsal artery of clitoris.

114
Q

Pudendal Nerve is segments

A

S2-S3-S4

115
Q

functions regulated by Pudendal nerve

A

Urination, feces, errection, ejaculation, childbirth.

116
Q

Erection uses what system

A

Parasympathetic

117
Q

Ejaculation uses what system

A

sympathetic

118
Q

What nerves for erection

A

cavernous nerves S2-S3-S4

119
Q

what nerves for ejaculation

A

splanchnics, L1-L2

120
Q

Internal anal sphincter is (autonomic or non-autonomic)

A

autonomic (non-voluntary)

121
Q

external anal sphincter is (autonomic or non-autonomic)

A

Non-autonomic (voluntary)

122
Q

Name the branches off of the POST division of internal iliac A.

A

iliolumbar, lateral sacral, superior gluteal

123
Q

Name the branches off of the ANT division of internal iliac A

A

Umbilical, superior vesicle (off of umbilical), Obturator a, (FM: uterine, M: deferent), (FM: vaginal, M: inf vesicle), middle rectal, internal pudendal.

124
Q

Name the branches off of the External iliac A.

A

inf epigastric, deep circumflex a, FEMORAL A.

125
Q

Branches off of the internal pudendal

A

inf rectal, perineal—- (FM: post labial & M: post scrotal), FM: deep a of clitoris, M: deep a of penis, (FM: dorsal a of clitoris, M: dorsal a of penis)

126
Q

MALE AND FEMALE A of the penis and clitoris (deep and dorsal) are a branch off of?

A

internal pudendal.

ANATOMY 2! (9 decks)

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