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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
where does the median sacral comes out
just before the abdominal bifurcates
26
does the testicular a enter the pelvic cavity
it doesnt enter the pelvic cavity, goes through inguinal canal nad out to spermatic cord
27
common iliac branches into
internal iliac and external iliac
28
internal iliac supplies
internal organs of pelvic cavity and gluteal muscles through teh superior and inferior gluteal arteries
29
what does the external iliac a becomes after it passes inguinal ligament
femoral a
30
inferior epigastric a is a branch of
external iliac
31
inferior epigastric makes teh () border of the hasslbach/inguinal tirnagle
lateral border
32
external iliac a supplies what through femoral a
lower extremities
33
what are the anterior divisions of the internal iliac a 7
umbilcal, obturator, ingerior vesical/vaginal, middle rectal, internal pudendal, inferior gluteal, uterine
34
what is homologous to inferior vesical
vaginal
35
what do the inferior rectal a branch off of
internal pudendal
36
uterine is homologous to
defrenetial artery
37
deferential a is arising from
inferior vesical
38
where do you find the inferior gluteal
exits the greater sciatic foramen inferior to piriformis muscle
39
where do you gind internal pudendal
goes through greater sciatic foramen and goes back into lesser sciatic foramen to join pudendal nerves, goes into the perineum
40
superior vesicle gives blood to
lower 1/3 part of ureter and upper part of urinary bladder
41
what does vesicle refer to
urinary bladder
42
what does the umbilical a becomes
medial umbilical ligament
43
what gives off the superior vesicle
umbilical a
44
obturator a is accompanied by () through the () to go to the () compartment of thighs and provides blood to the ()
obturator nerve, obturator canal, medial cmopartment, hip joint
45
posterior division of internal iliac a
iliolumbar, lateral sacral, superior gluteal
46
what are the veins of the pelvis
external iliac, internal iliac, median sacral
47
sacral plexus formed by
L4-s4 (or s3)
48
the sacral plexus branches to
lower limbs, pelvic muscles, perineum, inferior cluneal nerves
49
sacral plexus branches to lower limb that leave pelvic cavity through
greater sciatic foramen
50
inferior cluneal nerve is from () and supplies ()
posterior femoral cutanous (s1-3) and supplies lower medial quadrant??
51
superior gluteal is from
dorsal rami L4-s1
52
inferior gluteal is from
l5-s2
53
common fibular and common tibial are branches of
sacral plexus
54
what are the 2 branches of lumbar plexus that enters the pelvic cavity
lumbosacral trunk, obturator nerve
55
what are the autonomic nerves of the pelvis
pelvic sympathetic trunk, sacral splanchnic nerves, pelvic sphanchnic nerves, superior hypogastric plexus, inferior hypogastric plexus
56
the pelvic sympathetic trunk ends at
ganglion impar
57
the pelvic sympathetic trunk is a continuation of
lumbar sympathetic trunk
58
the sacral splanchnic nerves are () fibers which synapse with () in ()
preganglionic sp fibers, synapse with postganglionic neurons in inferior hypogastric plexus
59
sacral splanchnic is arriving from ()
l1-l2
60
pelvic splanchnic is () fibers coming from ()
preganglionic parasympathetic, s2-s4
61
pelvic spanchnic nerves aka
nervi erengentis (errection)
62
sacral splanchnic nerves arise from
l1-l2
63
what do the gray rami carry
post g symp going to spinal nerves
64
what does the sympathetic autonomic from the gray rami go to regarding the pelvis
erector pili muscles, skin, an d sweat glands, cutaneuous branches and cutaneous blood vessels
65
sympatheticectomy
cut the gray rami communicanteis, hast resort if you have hyperhidrosis of foot (cut s1)
66
what is hyperhydrosis
excessive sweating
67
side effects of sympathetiectomy of the armpits
can effect head and neck region by losing sensation (horners syndrome)
68
what is horners syndrom
lose sympathetic innervation of head and neck leads to drroping eyelid, myosis flushness of face, sinking eyeballs
69
what is myosis
constriction of pupil
70
why do you get flushness of face with sympathetectomy
cause symp cut causes vasodilation
71
what is antanomose
sinking of eyeballs
72
prostate gland is surrounded by
hypogastric nerves
73
what could happen if you remove the prostate
could cut the hypogastric nerves and effect erection nand ejaculation
74
the sacral splanchnic nerves don't synapse at () and pass as ()
sacral ganglion, pass as preg symp neurons
75
what does impar mean
unpaired
76
where do u find the ganglion impar
where left and right pelvic sympathetic turnk unit in front of coccyx
77
the superior hypogastric plexus splits into r and l () nerves and that becomes the () plexus
right and left hypogastric nerves, inferior hypogastric plexus
78
pelvic splancnic nerves are () fibers arising from () horn of gray matter of () segments of spinal cord
preganglion PS fibers, ventral horn, s2-s4
79
lumbar splanchnic some join the () plexus
intermesenteric plexus
80
where do you find the superior hypogastric plexus
right after bifurcation of aorta
81
what is the order of the autonomic nerves of the pelvis
superior hypogastric plexus > r/l hypogastric nerves > inferior hypogastric plexus
82
what are the two routes that the pre symp fibers go down
1. go down chain and come out at sacaral level | 2. come as sacral splanchnic nerves and join hypogastric plexus
83
what does the pudendal nerve carry
gse and gsa
84
the pelvic sphanchnic carry () and ()
parasymp pre g and gva
85
where is the gva fibers originating from that run with the pelvic splanchnic
dorsal root ganglion
86
the gse of the pudendal nerve supplies the
external anal sphincter, external urethral sphincter, bulbo majosus
87
false pelvis is shallow in
females
88
what shape is the inlet in female and male
female: transversely oval male: heart shaped
89
which pelvic cavity is rommier in
females
90
pelvic outlet is larger in
females
91
ischial tuberosities are () in females
everted
92
sacrum is shorter, wider, and flatter in
females
93
pubic arch is wider and more rounded in
females
94
sacrum more curved in
males
95
the outlet is smaller for men cause of
curved sacrum
96
the females outlet and inlet are () in size
similar
97
the pubic arch is formed by
inferior pubic rami
98
what is the degrees for the arch of women
larger then 90 degrees
99
what is the degrees fro men arch
less then 90 degrees
100
when put fingers on men pubic arch which fingers use
index and third
101
when put fingers on women arch which fingers use
thumb and index
102
what percent of women have gynecoid pelvis (don't worry about % for test)
41%
103
android percent
33 in women, 14 in black
104
anthropoid percent
24 in white 41 black
105
platypelloid
2
106
pelvic inlet what passes through it
``` 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
what does the urachus become
median umbilical lig
108
what is the length of sigmoid from
pelvic brim to s3
109
superior rectal and sigmoidal branches go through
pelvic inlet
110
why does rectum not go through pelvic inlet
cuase its already in there
111
why doesn't testicular vessels go through pelvic inlet
they just go over the pelvic brim and exit the inguinal canal and out to scrotum
112
what makes the boundaries of the pelvic outlet
ischial tuberosity, sacrotuberous lig, symphysis pub, and coccysc
113
what goes through outlet
anal canal, urethra, vagina

Maris anatomy 1 (18 decks)

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