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Maris anatomy 1 > pelvic cavity > Flashcards

pelvic cavity Flashcards

1
Q

what is the orientation of th pelvis/ what should lie in the same coronal plane

A

asis and front of symphysis pubis

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2
Q

what two muscles can cause posterior tilt of pelvis and flat back

A

tight hamstrings or rectus abdominis

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3
Q

what can cause anterior tilit

A

hyperlordosis, tight erecctor spinae, quadr lumborum weak

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4
Q

what serves as the dividing plane between the true and false pelvis

A

pelvic brim/inlet

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5
Q

falsee pelvis aka

A

pelvis major

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6
Q

boundaries of pelvic inlet 5

A

sacral promontory, sacral ala, arcuate line (above iscial spine), pectineal line, symphysis pubis

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7
Q

what wall is teh shallowest wall of the pelvis

A

anterior

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8
Q

anterior pelvic wall formed by 3

A

posterior surfaces of bodies of pubic bones, pubic rami, and symphysis pubis

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9
Q

what plexus is over the priformis

A

sacral plexus

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10
Q

what is the posterior wall made of 4

A

sacrum, coccyx, piroformis, parietal pelvic fascia

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11
Q

what forms the lateral wall 6

A

part of hip bone below inlet, obturator membrane, sacrotuberous, sacrospinous lig, obturator internus muscles and fascia

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12
Q

what covers the obturator foramen

A

obturator membrane

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13
Q

what is the small opening in the obturator foramen and what passes through it

A

obturator canal, obturator n,a ,v

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14
Q

obturator internus and externus ? originates on

A

obturator membrane

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15
Q

what forms the inferior wall

A

pelvic diaphragm

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16
Q

what forms the pelvic diagpragm

A

levator ani and coccygeus

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17
Q

what maintains the anorectal angle

A

puborectalis muscles

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18
Q

what is the primary supporter of pelvic organs

A

pelvic diaphragm

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19
Q

what could happen if have weakness in pelvic diaphragm in awoman

A

uterus prolapse (protrudes)

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20
Q

who do you see get uterus prolapse and what to do for it

A

women with multiple pregnancyes and keggle exercises

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21
Q

what makes upthe levator ani

A

levator prostatae or sphincter vagina, puborectalis, pubococcygeus, iliococcygeus

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22
Q

what is homologous to levator prostate

A

sphincter vagina

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23
Q

what are the arteries of the pelvis

A

common iliac, external iliac

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24
Q

what are hte arteries of the true pelvis

A

internal iliac, superior rectal,, ovarian/testicular, median sacral a

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25
Q

where does the median sacral comes out

A

just before the abdominal bifurcates

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26
Q

does the testicular a enter the pelvic cavity

A

it doesnt enter the pelvic cavity, goes through inguinal canal nad out to spermatic cord

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27
Q

common iliac branches into

A

internal iliac and external iliac

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28
Q

internal iliac supplies

A

internal organs of pelvic cavity and gluteal muscles through teh superior and inferior gluteal arteries

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29
Q

what does the external iliac a becomes after it passes inguinal ligament

A

femoral a

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30
Q

inferior epigastric a is a branch of

A

external iliac

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31
Q

inferior epigastric makes teh () border of the hasslbach/inguinal tirnagle

A

lateral border

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32
Q

external iliac a supplies what through femoral a

A

lower extremities

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33
Q

what are the anterior divisions of the internal iliac a 7

A

umbilcal, obturator, ingerior vesical/vaginal, middle rectal, internal pudendal, inferior gluteal, uterine

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34
Q

what is homologous to inferior vesical

A

vaginal

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35
Q

what do the inferior rectal a branch off of

A

internal pudendal

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36
Q

uterine is homologous to

A

defrenetial artery

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37
Q

deferential a is arising from

A

inferior vesical

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38
Q

where do you find the inferior gluteal

A

exits the greater sciatic foramen inferior to piriformis muscle

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39
Q

where do you gind internal pudendal

A

goes through greater sciatic foramen and goes back into lesser sciatic foramen to join pudendal nerves, goes into the perineum

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40
Q

superior vesicle gives blood to

A

lower 1/3 part of ureter and upper part of urinary bladder

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41
Q

what does vesicle refer to

A

urinary bladder

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42
Q

what does the umbilical a becomes

A

medial umbilical ligament

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43
Q

what gives off the superior vesicle

A

umbilical a

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44
Q

obturator a is accompanied by () through the () to go to the () compartment of thighs and provides blood to the ()

A

obturator nerve, obturator canal, medial cmopartment, hip joint

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45
Q

posterior division of internal iliac a

A

iliolumbar, lateral sacral, superior gluteal

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46
Q

what are the veins of the pelvis

A

external iliac, internal iliac, median sacral

47
Q

sacral plexus formed by

A

L4-s4 (or s3)

48
Q

the sacral plexus branches to

A

lower limbs, pelvic muscles, perineum, inferior cluneal nerves

49
Q

sacral plexus branches to lower limb that leave pelvic cavity through

A

greater sciatic foramen

50
Q

inferior cluneal nerve is from () and supplies ()

A

posterior femoral cutanous (s1-3) and supplies lower medial quadrant??

51
Q

superior gluteal is from

A

dorsal rami L4-s1

52
Q

inferior gluteal is from

A

l5-s2

53
Q

common fibular and common tibial are branches of

A

sacral plexus

54
Q

what are the 2 branches of lumbar plexus that enters the pelvic cavity

A

lumbosacral trunk, obturator nerve

55
Q

what are the autonomic nerves of the pelvis

A

pelvic sympathetic trunk, sacral splanchnic nerves, pelvic sphanchnic nerves, superior hypogastric plexus, inferior hypogastric plexus

56
Q

the pelvic sympathetic trunk ends at

A

ganglion impar

57
Q

the pelvic sympathetic trunk is a continuation of

A

lumbar sympathetic trunk

58
Q

the sacral splanchnic nerves are () fibers which synapse with () in ()

A

preganglionic sp fibers, synapse with postganglionic neurons in inferior hypogastric plexus

59
Q

sacral splanchnic is arriving from ()

A

l1-l2

60
Q

pelvic splanchnic is () fibers coming from ()

A

preganglionic parasympathetic, s2-s4

61
Q

pelvic spanchnic nerves aka

A

nervi erengentis (errection)

62
Q

sacral splanchnic nerves arise from

A

l1-l2

63
Q

what do the gray rami carry

A

post g symp going to spinal nerves

64
Q

what does the sympathetic autonomic from the gray rami go to regarding the pelvis

A

erector pili muscles, skin, an d sweat glands, cutaneuous branches and cutaneous blood vessels

65
Q

sympatheticectomy

A

cut the gray rami communicanteis, hast resort if you have hyperhidrosis of foot (cut s1)

66
Q

what is hyperhydrosis

A

excessive sweating

67
Q

side effects of sympathetiectomy of the armpits

A

can effect head and neck region by losing sensation (horners syndrome)

68
Q

what is horners syndrom

A

lose sympathetic innervation of head and neck leads to drroping eyelid, myosis flushness of face, sinking eyeballs

69
Q

what is myosis

A

constriction of pupil

70
Q

why do you get flushness of face with sympathetectomy

A

cause symp cut causes vasodilation

71
Q

what is antanomose

A

sinking of eyeballs

72
Q

prostate gland is surrounded by

A

hypogastric nerves

73
Q

what could happen if you remove the prostate

A

could cut the hypogastric nerves and effect erection nand ejaculation

74
Q

the sacral splanchnic nerves don’t synapse at () and pass as ()

A

sacral ganglion, pass as preg symp neurons

75
Q

what does impar mean

A

unpaired

76
Q

where do u find the ganglion impar

A

where left and right pelvic sympathetic turnk unit in front of coccyx

77
Q

the superior hypogastric plexus splits into r and l () nerves and that becomes the () plexus

A

right and left hypogastric nerves, inferior hypogastric plexus

78
Q

pelvic splancnic nerves are () fibers arising from () horn of gray matter of () segments of spinal cord

A

preganglion PS fibers, ventral horn, s2-s4

79
Q

lumbar splanchnic some join the () plexus

A

intermesenteric plexus

80
Q

where do you find the superior hypogastric plexus

A

right after bifurcation of aorta

81
Q

what is the order of the autonomic nerves of the pelvis

A

superior hypogastric plexus > r/l hypogastric nerves > inferior hypogastric plexus

82
Q

what are the two routes that the pre symp fibers go down

A
  1. go down chain and come out at sacaral level

2. come as sacral splanchnic nerves and join hypogastric plexus

83
Q

what does the pudendal nerve carry

A

gse and gsa

84
Q

the pelvic sphanchnic carry () and ()

A

parasymp pre g and gva

85
Q

where is the gva fibers originating from that run with the pelvic splanchnic

A

dorsal root ganglion

86
Q

the gse of the pudendal nerve supplies the

A

external anal sphincter, external urethral sphincter, bulbo majosus

87
Q

false pelvis is shallow in

A

females

88
Q

what shape is the inlet in female and male

A

female: transversely oval male: heart shaped

89
Q

which pelvic cavity is rommier in

A

females

90
Q

pelvic outlet is larger in

A

females

91
Q

ischial tuberosities are () in females

A

everted

92
Q

sacrum is shorter, wider, and flatter in

A

females

93
Q

pubic arch is wider and more rounded in

A

females

94
Q

sacrum more curved in

A

males

95
Q

the outlet is smaller for men cause of

A

curved sacrum

96
Q

the females outlet and inlet are () in size

A

similar

97
Q

the pubic arch is formed by

A

inferior pubic rami

98
Q

what is the degrees for the arch of women

A

larger then 90 degrees

99
Q

what is the degrees fro men arch

A

less then 90 degrees

100
Q

when put fingers on men pubic arch which fingers use

A

index and third

101
Q

when put fingers on women arch which fingers use

A

thumb and index

102
Q

what percent of women have gynecoid pelvis (don’t worry about % for test)

A

41%

103
Q

android percent

A

33 in women, 14 in black

104
Q

anthropoid percent

A

24 in white 41 black

105
Q

platypelloid

A

2

106
Q

pelvic inlet what passes through it

A 
all
middle sacral a
internal iliac a
found ligament of uterus
vas deferens
urachus
sympathetic chain
ureter
obturator nerve and lumbosacral trunk, ovarian vessels
sigmoid colon
obliterated umbilical artery
branches of the inferior mesenteric a
107
Q

what does the urachus become

A

median umbilical lig

108
Q

what is the length of sigmoid from

A

pelvic brim to s3

109
Q

superior rectal and sigmoidal branches go through

A

pelvic inlet

110
Q

why does rectum not go through pelvic inlet

A

cuase its already in there

111
Q

why doesn’t testicular vessels go through pelvic inlet

A

they just go over the pelvic brim and exit the inguinal canal and out to scrotum

112
Q

what makes the boundaries of the pelvic outlet

A

ischial tuberosity, sacrotuberous lig, symphysis pub, and coccysc

113
Q

what goes through outlet

A

anal canal, urethra, vagina

Maris anatomy 1 (18 decks)

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