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Obstetrics > Maternal Anatomy > Flashcards

Maternal Anatomy Flashcards

0
Q

Nerves of the Vagina
Upper 2/3
Lower 1/3

A

S: Hypogastric P:S2-S4 (cervical ganglion of Frankenhauser)

Pudendal nerve

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1
Q

Blood supply of the vagina
Upper 1/3
Mid
Lower

A

Cervicovaginal branch of uterine artery
Inferior vesical
Mid rectal and internal pudendal

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2
Q

Lymphatics of the Vagina
Upper 2/3
Lower 1/3

A

External and internal iliac nodes

Inguinal nodes

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3
Q

Perineum
Ant/urogenital triangle
LUTS and hematomas

A

Ant pubic symphisis
Ant lateral ischiopubic rabi and ischial tuberosity
Post lateral sacrotuberous ligaments
Post coccyx

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4
Q

Perineum
Post/anal triangle
Painful defecation

A

Internal pudendal vessels and nerve

Ischiorectal fossa, anal complex, anal sphincter complex

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5
Q

Ant superficial space

Closed compartment

A

Ischiocavernosus clitoral erection
Bulbocavernosus Bartholin gland secretion and clitoral erection
Sup transverse perineal muscle perineal body

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6
Q

Ant deep space

Continuous space with pelvis

A

Compressor urethrae
Urethrovaginal sphincter
External urethral sphincter

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7
Q

Pudendal nerve

A

Dorsal nerve of the clitoris - skin of clitoris
Perineal nerve - muscle of ant triangle and labial skin
Inferior rectal nerve - ext anal sphincter, mucous membrane of anal canal, perianal skin

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8
Q

Landmark for pudendal nerve block

A

Ischial spine

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9
Q

Endometrial layers

A

Stratum functionale shed spiral arteries sup 2/3 hormone sensitive
Stratum basale straight arteries

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10
Q

T or F

Endocervix is hormone sensitive

A

Exocervix

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11
Q

Uterus: Ligaments
Two wing like structures from lateral uterus to pelvic walls
Divide pelvic cavity to ant and post

A

Broad ligament

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12
Q

Broad ligament contains

A

Fallopian tubes and ovaries
Uterine and ovarian arteries
Ovarian and round ligament

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13
Q

Uterus: Ligaments

Continuous with broad ligament outward and downward terminating at upper portion of labium majus

A

Round ligament

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14
Q

Uterus: Ligaments
From densest portion of broad ligament
Major support of uterus and cervix

A

Cardinal ligament

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15
Q

Uterus: Ligaments

Encircles rectum

A

Uterosacral ligament

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16
Q

Long axis of uterus in relation to long axis of vagina

A

Version

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17
Q

Relation of uterine fundus to cervix

A

Flexion

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18
Q

Blood supply

Pudenda

A

Int pudendal artery

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19
Q

Blood supply

Vagina

A

Vaginal artery of uterine artery

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20
Q

Blood supply

Cervix

A

Cervicovaginal supply of the uterine atery

21
Q

Blood supply

Uterus

A

Uterine artery

22
Q

Blood supply

Fallopian tubes and ovaries

A

Ovarian artery

23
Q

Fallopian tube
Narrowest
Most highly developed musculature

A

Isthmus

24
Q

Fallopian tube
Widest
Site of fertilization
80% of ectopic pregnancy

A

Ampulla

25
Q

Damage to nerves

Radical hysterectomy

A

Genitofemoral perineal anesthesia

Obturator adduction of thigh, med thigh

26
Q

Damage to nerves
Improper placement of stirrups
Prolonged dorsal lithotomy

A

Peroneal footdrop

27
Q

Damage to nerves
Lateral blade of self retaining retractor
Inguinal node dissection

A

Femoral nerve hip flexion

28
Q

Damage to nerves

Obturator node dissection

A

Obturator nerve

Ext iliac artery

29
Q

Damage
Straddle
Anesthetic for second stage of labor

A

Pudendal artery hematoma

30
Q

Dorsal lithotomy

A

Upward gliding of sacroiliac joint

Outlet increase by 2 cm

31
Q

Pelvic inlet
True conjugate
Obstetric conjugate
Diagonal conjugate

A

11 cm
DC-1.5=10
11.5 clinical

32
Q

Assessment of midpelvis

A

Blunt ischial spine
Parallel sidewalls
Wide sacrum
Wide sacroiliac notch

33
Q

Midpelvis

Interspinous diamter

A

10 cm

34
Q

Pelvic outlet

Intertuberous diameter

A

8 cm

35
Q

Dictates pelvic tendency

Dictates pelvic type

A

Ant

Post

36
Q

Round shape
Straight sidewalls
Non prominent ischial spines

A

Gynecoid

37
Q

Heart shaped
Convergent sidewalls
Prominent spines
Deep transverse arrest

A

Android

38
Q 
Vertically oriented iv
Convergent sidewalls
Prominent spines
Deep sacrum
Face delivery
A

Anthropoid

39
Q

Horizontally oriented oval
Divergent then convergent sidewalls
Nonprominent spines
Short AP diameter

A

Platypelloid

40
Q

Ape like pelvis

A

Android

41
Q

No difficulties in vaginal birth

A

Gynecoid

Platypelloid

42
Q

Levator ani

A

Pubococcygeus
Puborectalis
Ileococcygeus

43
Q

Pelvic diaphragm

A

Levator ani

Coccygeus

44
Q

Mullerian duct

A

Females
Fallopian tubes to upper 1/4 vagina

Males
Appendix testes

45
Q

Urogenital sinus

A

F lower 3/4 vagina vestibule bladder urethra

M bladder prostatic and membranous urethra

46
Q

Mesonephric/Wollfian duct

A

F Gartner’s lateral vaginal wall

M epidydimis vas deferens seminal vesicle ejaculatory duct

47
Q

Labioscrotal swelling

A

Labia majora

Scrotum

48
Q

Urogenital folds

A

Labia minora

Ventral penis

49
Q

Genital tubercle

A

Clitoris

Penis

50
Q

Metanephric duct

A

Ureter
Renal pelvis
Calyces
Collecting system

51
Q

Metanephric mesenchyme

A

Glomerulus

Renal collecting tubules

Obstetrics (18 decks)

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