Genito Urinary Anatomy Flashcards

1
Q

what is the ovary homologous to?

A

testes

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2
Q

what is the round ligament homologous to?

A

gubernaculum

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3
Q

what is the labia majora homologous to?

A

scrotum

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4
Q

what is the glans clitoris homologous to?

A

glans penis

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5
Q

what is the crus of clitoris homologous to?

A

corpora cavernosa

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6
Q

what 3 areas may kidney stones get stuck?

A

at the renal pelvis, the brim of the iliopsoas muscle, and the ureter/bladder (ureterovesicular) junction

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7
Q

what can blockage pressure by kidney stones cause?

A

hydropnephrosis or hydroureter (causes waste accumulation in blood)

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8
Q

hydronephrosis

A

the dilation (swelling) of one or both kidneys

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9
Q

hydroureter

A

the distention of the ureter with urine that cannot flow because the ureter is blocked

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10
Q

ureter composition

A

outer circular layer and inner longitudinal layer, lined by mucous membrane to prevent bacteria from making their way up to kidneys; also allows for easy passage of fluid/substances, induces peristaltic contractions all the time to “milk” the urine from kidneys → bladder

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11
Q

what are the 3 bones of the pelvis?

A

ilium, ischium, pubis

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12
Q

false pelvis

A

superior to pelvic brim; hips

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13
Q

true pelvis

A

surrounded by bone and lies inferior to flaring parts of the ilia; passage for infant at birth in women

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14
Q

pelvic brim (inlet)

A

separates superior & inferior portions of pelvis

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15
Q

typical gynecoid pelvic inlet

A

transverse and AP diameter both greater than 10cm

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16
Q

male lumbar spine

A

only a little lumbar lordosis (inward curvature)

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17
Q

female lumbar spine

A

lots of lumbar lordosis from L3-L5 (can create issues w/ sciatica)

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18
Q

how do pregnancy and bipedalism alter the lumbar spine?

A
  • in the non-pregnant state the center of mass (COM) is above the femoral head
  • the pregnant abdomen will unbalance the pelvis by moving the COM forward if there is no compensation
  • the pregnant abdomen does not alter the COM because of the increase in lumbar lordosis
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19
Q

normal uterine position

A

anteverted + anteflexed; angled forward w/ respect to vagina and flexed forward w/ respect to cervix

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20
Q

rectouterine pouch (pouch of Douglas)

A

space between rectum and uterus out back

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21
Q

vesicouterine pouch

A

space between the uterus and the urinary bladder out front

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22
Q

ovaries

A

female gonads producing egg cells and hormones

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23
Q

uterine (fallopian) tubes

A

pair of tubes attached to the uterus that provides a passageway for the ovum to move from the ovary to the uterus

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24
Q

fimbriae

A

finger-like projections at the end of the fallopian tubes that swaff over top of ovarian surface during ovulation to capture egg + bring it down to oviduct

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25
Q

uterus

A

hollow muscular organ in the pelvic cavity of the female, in which the embryo is nourished and develops before birth

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26
Q

cervix

A

neck of the uterus

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27
Q

vagina

A

muscular, elastic passageway that extends from the uterus to the outside of the body

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28
Q

labia minus (labia minora)

A

inside lips of vagina

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29
Q

labia majora

A

the larger outer folds of the vulva

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30
Q

suspensory ligament

A

collection of vessels + nerves supplying ovary (VAN) that runs through ovary not actual ligament

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31
Q

utero-ovarian ligament

A

band of CT that goes from ovary to margin of uterus to keep it in place

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32
Q

round ligament

A

band of CT coming from anterior surface of uterus which goes through abdominal muscles and connects to labia majora holding the uterus in place

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33
Q

broad ligament

A

double layer of parietal peritoneum and covers everything supports uterine tubes, uterus, and vagina

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34
Q

uterosacral ligament

A

from posterior aspect of uterus to sacrum out back; right around rectum to help fix uterus in place within abdominal cavity

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35
Q

muscles of perineum (female)

A

help support the pelvic floor and form sphincters at openings of the urethra, vagina and anus; consist mainly of levator ani and deep transverse perineal muscle

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36
Q

levator ani

A

collection of pubococcygeus, iliococcygeus, ischiococcygeus working together out front and out behind to ensure openings are closed (maintain continence)

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37
Q

deep transverse perineal muscle

A

supports pelvic organs; helps close off openings for all three holes

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38
Q

histology of the vagina

A

stratified squamous epithelium, nonkeratinized

  • not very good at keeping pathogens out, need mucus, IgA antibodies, commensal bacteria lining vagina
  • normal flora: gram -ve bacteria (lactobacillus) — keep pH slightly low in vagina to keep harmful bacteria out (bacterial vaginosis can occur as a result of change in pH)
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39
Q

Transition from vagina to cervix

A

stratified squamous epithelium (top, dead cells) and bottom layers of simple columnar epithelium

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40
Q

pap smear

A

examination of cervical cells and mucus at the transition zone for early detection of cervical cancer
- HPV targets living cervical cells (increased risk of developing cervical cancer due to uncontrolled cell growth)

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41
Q

male bladder and surrounding structures

A

prostate (w/ prostatic urethra), internal urethral sphincter, bulbourethral glands, urethra, ischiocavernous muscle (corpus cavernosum inside), bulbospongiosus muscle (corpus spongiosum inside)

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42
Q

purpose of male internal urethral sphincter

A

prevent ejaculate from going up into bladder; would also kill sperm

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43
Q

bulbourethral glands

A

at the base of the penile urethra, secrete alkaline substance that flushes/neutralizes any urine left in urethra (would kill sperm) and also produces slippery mucus to ensure sperm are not stuck to sides when they end up in urethra

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44
Q

seminal vesicles

A

paired sac-like exocrine glands that secrete most fluid into the vas deferens

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45
Q

testicles

A

produce sperm and testosterone

46
Q

epididymis

A

long, coiled duct on the outside of the testis in which sperm mature

47
Q

vas deferens (ductus deferens)

A

transports sperm from the epididymis

48
Q

prostate

A

right around prostatic urethra which is draining the urine out of bladder, site where sperm and semen mix together to make the ejaculate fluid - junction of urethra, vas deferens and seminal vesicles

49
Q

prostatic urethra

A

where the urethra passes through the prostate

50
Q

membranous urethra

A

underneath prostate, passes through urogenital diaphragm, thin and 90º turn

51
Q

penile urethra

A

goes through penis (spongy urethra)

52
Q

penis

A

male sex organ consisting of crus, corpora cavernosum and corpus spongiusom

53
Q

corpus spongiosum

A

the mass of spongy tissue surrounding the male urethra within the penis (never fills up w/ blood; penile urethra runs down middle of it)

54
Q

corpus cavernosum

A

pair of spongy tissue regions full of blood during erection

55
Q

glans penis

A

the conical mass of erectile tissue that forms the head of the penis

56
Q

root of penis

A

attaches the penis within the pelvic cavity

57
Q

scrotum

A

a pouch of skin containing the testicles; the testes had to go from abdominal cavity, out through inguinal canal; pulls Vas deferens w/ it across bony pelvis to make its way into scrotum

58
Q

ejaculatory duct

A

small duct that connects the vas deferens to the urethra; where seminal vesicle fluids making most of semen get added to sperm to get shunted down into prostatic urethra

59
Q

What does the cortex of the indifferent glands differentiate into?

A

ovary

60
Q

what does the stroma differentiate into?

A

testes

61
Q

If there is no Y chromosome then

A

female characteristics develop

62
Q

Where does the ovary develop?

A

outside of the capsular part and it will begin to descend and mesonephric kidney will go away

63
Q

What does the vas bridge run over?

A

Ureter (water under the bridge)

64
Q

What does the bud of mesonephric duct become?

A

becomes ureter in both M/F

65
Q

In males what does the mesonephric duct become?

A

vas deferens

66
Q

What does vas deferens do?

A

conducts sperm from the gonad to the urethra

67
Q

Is the kidneys having a long ureter good or bad?

A

bad

68
Q

Is it good that the kidneys are behind the ribs?

A

yes they are protected

69
Q

How did the kidney develop and when it descends what comes with it?

A

the kidney developed from a metanphric bud and ascends dragging the ureter with it

70
Q

The path of the urter

A

large area (renal pelvis) to ureter (small)

71
Q

What does the ureter go over?

A

common iliac and pop over the psoas muscle

72
Q

Best way to avoid kidney stones?

A

stay hydrated and make urine

73
Q

What muscle is in the ureter

A
  • smooth muscle
  • longitudinal muscles on inside
  • circular muscles on outside
74
Q

Where is the only place with inner longitudinal and out circular?

A

ureter

75
Q

What is the epithelium in the ureter lined with?

A

mucous which allows for protection from bacteria

76
Q

Mucosa

A

not keratinized epithelium making it not tough so it can tear easily

77
Q

What fuses together the bones of the pelvis?

A

cartilage which allows for movement when having babies?

78
Q

Where do all the pelvic bones come together?

A

acetabulum or hip socket in the middle

79
Q

What comes out of sciatic notch?

A

sciatic nerve

80
Q

sacroliliac joint

A

gliding joint which is important for moving hips

81
Q

Sacrococcygeal joint

A

problem in pregnancy b/c the baby must go past this joint and if it is fused it will crack

82
Q

Pubic symphysis

A

cartilage and doesnt move that much until end of pregnancy when the pelvis needs to be flexible

83
Q

Obturator foramen

A

where obturator muscle goes through

84
Q

what changes when joints move?

A

change the pelvic inlet and pelvic outlet

85
Q

Pubic angle in females

A

greater than 90 degrees

86
Q

pubic angle in men

A

less than 90 degrees

87
Q

females have what kind of pelvis

A

gynecoid

88
Q

males have what kind of pelvis

A

android

89
Q

Female pelvis shape and Shallow vs deep

A
  • shallow

- large oval shape

90
Q

Male pelvis shape and Shallow vs deep

A
  • deep

- cup shaped

91
Q

Female coccyx is

A

angled less towards anterior

92
Q

Male coccyx is

A

angled more towards anterior

93
Q

Where is widest part of pelvis in females?

A

middle; babies

94
Q

Where is widest part of pelvis in males?

A

back

95
Q

Female pelvis thickness and and weight

A

light and thin

96
Q

Male pelvis thickness and and weight

A

heavy and thick

97
Q

Length of anterior-posterior diameter and transverse diameter

A

10cm

98
Q

What changes the shape of lumbar spine during pregnancy (hormone)

A

estrogen

99
Q

uterine fundus

A

is the top

100
Q

Where is most of the weight of the abdomen?

A

in front of pubis symphysis and is held by abdominal muscles

101
Q

When is there alot of pressure on the pelvic floor?

A

defecating and childbirth

102
Q

Mons pubis

A

layer of fat sitting infront of pubic symphysis

103
Q

Labia Majus

A

hair covered skin

104
Q

Labia minus

A

delicate and mucosal layer of tissue

105
Q

Is the uterus smaller then the bladder and where is it?

A

smaller than the bladder and leans in front of bladder

106
Q

Bulbospongiosus muscle

A

Surrounds the opening of vestibule

107
Q

Superficial transverse perineal muscle

A

attach perinal body to the side

108
Q

Deep transverse perineal muscle

A

will swirl around urethra to make external urethral sphincter; helps close off three holes

109
Q

Levator Ani

A

muscles work together and are controlled by the same striated muscle

110
Q

Peritoneal body

A

dense collogen that is the anchor point for all the muscles