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Anatomy Exam 4 > VII + VIII: The Pelvis I + II > Flashcards

VII + VIII: The Pelvis I + II Flashcards

1
Q

what forms the pelvic brim/inlet?

A

pectineal line of pubis
arcuate line of ilium
sacral promnotory

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2
Q

what is the greater pelvis aka false pelvis

A

lower part of abdominal cavity

anything superior to the pelvic inlet

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3
Q

what is the lesser pelvis aka true pelvis

A

inferior to pelvic inlet and superior to the pelvic outlet

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4
Q

what joint helps transfer the weight of the top half of the body

A

sacroiliac

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5
Q

what type of joint is the sacroiliac

A

synovial joint

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6
Q

what types of joint are the lumbosacral, sacroccoygeal, and pubic symphysis?

A

secondary cartilaginous

pubic symphysis is the only one without an IV disc

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7
Q

sacrospinous ligament

A

sacrum to ischial spine

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8
Q

sacrotuberous ligament

A

sacrum to ischial tuberosity

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9
Q

describe the pelvic inlet m vs. f

A

m: heart shaped
f: rounded/oval

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10
Q

describe the pelvic canal m vs. f

A

m: long and funnel-shaped
f: short with parallel walls

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11
Q

everted ischial tuberosities and spines

A

female

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12
Q

broader greater sciatic notch

A

female

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13
Q

pubic arch and subpubic angle less than 70 degrees

A

male

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14
Q

long and narrow sacrum

A

male

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15
Q

short and broad sacrum

A

female

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16
Q

lateral pelvic wall

A

obturator internus

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17
Q

arises within lesser pelvis
passes through lesser sciatic foramen
attaches to greater trochanter

A

obturator internus

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18
Q

forms the tendinous arch medially

A

obturator membrane (lines obturator internus m.)

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19
Q

posterior muscular pelvic wall

A

piriformis

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20
Q

bed for sacral nerve plexus

A

piriformis

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21
Q

passes through lesser sciatic foramen

passes through greater sciatic foramen

A

lesser- obturator internus

greater- piriformis

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22
Q

attaches to sacrum within lesser pelvis
passes through greater sciatic foramen
attaches to greater trochanter

A

piriformis

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23
Q

pelvic diaphragm =

A

levator ani + coccygeus

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24
Q

function of the pelvic diaphragm

A

functions to support viscera (particularly when increased intraabdominal pressure) and aids voluntary control of urination and fecal continence

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25
Q

3 muscles of levator ani

A

puborectalis
pubococcygeus
iliococcygeus

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26
Q

muscular sling arising from pubis; maintains fecal continence

A

puborectalis

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27
Q

arises from pubis and tendinous arch, attaches to coccygeus

A

pubococcygeus

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28
Q

arises from tendinuous arch and ischial spine and blends with pubococcygeus

A

iliococcygeus

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29
Q

coccygeus aka ischiococcygeus

A

ischial spin to cocygeus/sacrum

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30
Q

kidneys are considered _______ organs, although embryologically __________

A

abdominal

pelvic

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31
Q

classification of ureters

A

retroperitoneal

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32
Q

what prevents urinary reflux into ureters

A

ureters enter bladder obliquely, forming flap valves so muscular contractions of bladder act as sphincters preventing reflux

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33
Q

ureters pass _______– to uterine arteries orgins

A

medial

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34
Q

blood supply to ureters

A

male: inferior vesicular
female: uterine a.

35
Q

what is the trigone

A

triangle between ureteric and urethral opening

36
Q

uvula

A

projection of trigone visible in older men

37
Q

what are the walls of the bladder

A

detrusor muscle

38
Q

muscle of baldders neck continuous with urethra muscle

A

female

39
Q

muscle of bladders neck continuous iwht prostates fibromuscular tissue

A

male

40
Q

involuntar internal urethral sphincter found…

A

male only

prevents semen from entering bladder

41
Q

4 parts of male urethra

A

preprostatic
postatic
intermediate/membranous
spongy

42
Q

where is a stone most likely to be lodged

A

membranous urethra (thinnest point)

43
Q

urethral crest

A

median ridge of prostatic urethra

44
Q

seminal colliculus

A

rounded eminence of urethral crest

45
Q

prostatic utricle

A

remnant of uterovaginal canal in seminal colliculus

46
Q

location of ejaculatory ducts, prostatic ducts in prostatic urethra

A

ejaculatoory: inferior to prostatic utricle
prostatic: lateral to seminal colliculus

47
Q

4 parts of uterine tube

A

infundibulum
ampulla
isthmus
uterine part

48
Q

ovarian ligament

A

ovary to uterus

49
Q

round ligament

A

uterus to labia majora

50
Q

ovarian v round which is more anterior

A

round

51
Q

mesentery of uterus

A

broad ligament

52
Q

suspensory ligament

A

conveys ovarian vessels, lymphatics and nerves

53
Q

suspends ovary

A

mesovarium

54
Q

suspends uterine tube

A

mesosalpinx

55
Q

mesometrium

A

suspends most of uterus

56
Q

what is the typical position of the uterus?

A

anteverted and anteflexed

57
Q

innervation to the vagina

A

lower 1/4: somatic (deep perineal branch of pudendal)

upper 3/4: autonomic

58
Q

ducts formed by the joining of seminal vesicle and ductus deferens, converging upon the seminal colliculus of prostatic urethra

A

ejaculatory ducts

59
Q

where are the bulbourethral glands located

A

posterolateral to membranous urethra

60
Q

prostate, seminal vesicles, and vas deferens classification

A

primarily retroperitoneal

61
Q

uterus, ovaries and uterine tube classification

A

intraperitoneal

62
Q

retropubic space

A

behind the pubic bone,

accomodates bladder distension

63
Q

retrorectal space

A

beind rectum, accomodates retal expansion

64
Q

rectovesical pouch

A

MALES

between bladder and rectum

65
Q

vesicouterine pouch

A

FEMALES

between bladder and uterus

66
Q

rectouterine pouch (of Douglas)

A

between uterus and rectum

*can be accessed via posterior fornix in vagina

67
Q

arteries of the anterior divison of internal iliac (7)

A 
umbilical
obturator
inferior vesicular
middle rectal
intenal pudenal
inferior gluteal
uterine
68
Q

superior vesicular is a branch off of

A

umbilical

69
Q

what artery sits between S1 and S2

A

inferior gluteal

70
Q

vaginal artery is a branch off of

A

uterine a.

71
Q

arteries of posterior divison of ext. iliac (3)

A

iliolumbar
lateral sacral
superior gluteal

72
Q

what artery is usually between L5 and S1

A

superior gluteal

73
Q

nerves of the sacral plexus (4)

A

sciatic
pudendal
superior gluteal
inferior gluteal

74
Q

sciatic n.

A

L4-S3

anterior and posterior division

75
Q

what n. exits pelvis via greater sciatic foramen

A

sciatic n.
pudendal
superior gluteal
inferior gluteal

76
Q

pudendal n.

A

S2-4

anterior division

77
Q

what n. exits pelvis via greater sciatic foramen, then enters perineum via lesser sciatic foramen

A

pudendal n.

78
Q

supplies skin and muscles of peineum

main sensory nerve for external genitalia

A

pudendal n.

79
Q

superior gluteal n.

A

L4-S1

posterior division

80
Q

supplies gluteus medius, minimus, and tensor fascia latae

A

superior gluteal n.

81
Q

inferior gluteal n.

A

L5-S2

posterior division

82
Q

supplies gluteus maximus

A

inferior gluteal

83
Q

samll plexus from ventral rami of S4-5 and coccygeal n

A

coccygeal plexus

84
Q

where do the sympathetics converge and unite

A

ganglion impar

Anatomy Exam 4 (11 decks)

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