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TN Gyneco > 1. Basic anatomy > Flashcards

1. Basic anatomy Flashcards

1
Q

Identify

A
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2
Q

Identify

A
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3
Q

For the external genitalia, name:

  • Blood supply
  • Sensory innervation
  • Lymphatic drainage
A
  • blood supply: internal pudendal artery
  • sensory innervation: pudendal nerve
  • lymphatic drainage: inguinal nodes
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4
Q

Describe: Vagina (3)

A
  • muscular canal extending from cervix to vulva, anterior to rectum and posterior to bladder
  • lined by rugated, stratified squamous epithelium
  • upper vagina separated by cervix into anterior, posterior, and lateral fornices
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5
Q

Describe blood supply of vagina (1)

A

vaginal branch of internal pudendal artery with anastamoses from uterine, inferior vesical, and middle rectal arteries

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6
Q

Describ: Uterus (2)

A
  • thick walled, muscular organ between bladder and rectum, consisting of two major parts:
    • uterine corpus
    • cervix
  • supported by the pelvic diaphragm, the pelvic organs, and 4 paired sets of ligaments
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7
Q

What’s the blood supply of uterine corpus? (1)

A

uterine artery (branch of the internal iliac artery, anterior division)

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8
Q

What’s the blood supply of cervix? (1)

A

cervical branch of uterine artery

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9
Q

Name ligaments of uterus (4)

A
  • round ligaments
  • uterosacral ligaments
  • cardinal ligaments
  • broad ligaments
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10
Q

Describe: Round ligaments (3)

A
  • travel from anterior surface of uterus, through broad ligaments, and inguinal canals then terminate in the labia majora
  • function: anteversion
  • blood supply: Sampson’s artery (branch of uterine artery running through round ligament)
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11
Q

Describe: Uterosacral ligaments (2)

A
  • arise from sacral fascia and insert into posterior inferior uterus
  • function: mechanical support for uterus, prevent prolapse and contain autonomic nerve fibres
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12
Q

Describe: cardinal ligaments (2)

A
  • extend from lateral pelvic walls and insert into lateral cervix and vagina
  • function: mechanical support, prevent prolapse
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13
Q

Describe: broad ligaments (2)

A
  • pass from lateral pelvic wall to sides of uterus;
  • contain fallopian tube, round ligament, ovarian ligament, nerves, vessels, and lymphatics
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14
Q

Describe: Infundibulopelvic ligament (3)

A
  • (suspensory ligament of the ovary)
  • continuous tissue that connects ovary to pelvic wall
  • contains the ovarian artery, ovarian vein, ovarian plexus, and lymphatic vessels
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15
Q

Name possible position of the uterus (3)

A
  • anteverted (majority)
  • retroverted
  • neutral
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16
Q
A
17
Q

Identify structures

A
18
Q

Describe: Follopian tubes (4)

A
  • 8-14 cm muscular tubes extending laterally from the uterus to the ovary
  • interstitial, isthmic, ampullary, and infundibular segments; terminates at fimbriae
  • mesosalpinx: peritoneal fold that attaches fallopian tube to broad ligament
  • blood supply: uterine and ovarian arteries
19
Q

Describe: Ovaries (4)

A
  • consist of cortex with ova and medulla with blood supply
  • supported by infundibulopelvic ligament (suspensory ligament of ovary)
  • mesovarium: peritoneal fold that attaches ovary to broad ligament
  • blood supply: ovarian arteries (branches off of aorta), left ovarian vein (drains into left renal vein), right ovarian vein (drains into inferior vena cava)
20
Q

Describe: Determination of Uterine Position by Clinical Exam (3)

A
21
Q

The ureters run anterior/posterior to the uterine arteries

A

“Water Under the Bridge”

The ureters run posterior to the uterine arteries

22
Q

What is the origin of the left and right ovarian arteries? (1)

A

Descending aorta

23
Q

What are the drainage sites for the left and right ovarian veins? (1)

A

Left to left renal vein, right to inferior vena cava

24
Q

What is the most common place to locate the ureter? (1)

A

Pelvic brim, medial leaf of the broad ligament as it passes under the uterine artery

25
Q

Which artery runs under the round ligament? (1)

A

Sampson’s artery

26
Q

Identify structures

A

TN Gyneco (20 decks)

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