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Gross Anatomy 1 > Urogenital III > Flashcards

Urogenital III Flashcards

1
Q

Female Genital Organs

A
  • broad ligament
  • ovaries
  • uterine tube
  • uterus
  • vagina
  • vestibule
  • vulva
  • clitoris
  • blood supply
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2
Q

Broad ligament

A
  • paired, double folds of peritoneum
  • attaches ovaries, uterine tube, and uterus to dorsolateral walls of abdominal caivty and lateral walls of pelvic cavity
  • also contains vessels and nerves to the genitalia and fat
  • has three regions
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3
Q

3 regions of the broad ligament

A
  • mesovarium = ovary
  • mesosalpinx = uterine tube
  • mesometrium =uterus
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4
Q

mesovarium

A

attaches ovary to dorsolateral region of abdominal wall

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5
Q

mesosalpinx

A

extends laterally from mesovarium and attaches the uterine tube

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6
Q

ovarian bursa

A

mesovarium and mesosalpinx form a small pouch enclosing the ovary

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7
Q

mesometrium

A

continuous with the mesovarium and attaches the uterine horns and uterine body

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8
Q

Round ligament of uterus

A

-fibrous cord that runs in the free border of laterally extended mesometrium from ovary to inguinal canal

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9
Q

Where are round ligaments always located?

A

In the free border

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10
Q

suspensory ligament of ovary

A

runs from middle and ventral thirds of 12th and/or 13th rib to ventral aspect of ovary

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11
Q

Proper ligament of ovary

A

caudal continuation of suspensory ligament of the ovary attaching the ovary to the uterine horn

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12
Q

What ligament is broken during a spay/

A

suspensory ligament of ovary

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13
Q

Ovary

A
  • female gonad
  • produces oocyte
  • also endocrine gland = estrogen and progesterone
  • lies caudal to kidney

extremities:

  • tubal extremity
  • uterine extremity

borders:

  • free border
  • mesovarian border

smooth in appearance before estrus; rough and nodular in multiparous bitches

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14
Q

Uterine tube

A
  • AKA fallopian tube or salpinx

- transports oocytes to uterus

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15
Q

Fimbriae in the uterine tube

A

finger like projections extending from the infundibulum that caputure an ovulated oocyte

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16
Q

infundibulum (female)

A
  • thin walled funnel with small opening called abdominal ostium that leads into tubular part
  • site of fertilization
17
Q

Where is the site of fertilization?

A

Infundibulum

18
Q

uterine ostium

A

opening of uterine tube into the horm of uterus, externally at the tubouterine junction

19
Q

Uterus

A
  • transports sperm to uterine tube; conduction, implantation, and nourishment of the developing young
  • Y-shaped, communicates with uterine tubes cranially and the vagina caudally

3 parts

  • horns (2)
  • body
  • cervix
20
Q

Uterine Horns

A
  • left and right horns are same size
  • connected to ovary by proper ligament of ovary
  • located in abdominal cavity
  • peritoneum unites the 2 horns for a short distance before converging to form uterine body
  • internally partition is called uterine velum
  • open separately into uterine body
21
Q

Uterine Body

A
  • located in both abdominal and pelvic cavity

- simple muscular tube of varying length

22
Q

Cervix

A
  • most caudal part of uterus
  • lies diagonally (obliquely) across uterovaginal juncion
  • lumen of cervix, cervical canal, is narrow and extends from internal uterine orifice to external uterine orifice
23
Q

Vagina

A
  • dilatable canal extending from uterus to vestibule
  • very long in dogs
  • most of it is retroperitoneal (only cranial part is covered by peritoneum)
  • longitudinal folds that have transverse folds = ability to enlarge in both diameter and length
24
Q

vaginal fornix

A

cranial part of vagina that extends cranial to cervix

25
Q

vestibule

A
  • connects vagina with external genital opening, the vulva
  • urethral tubercle = a ridge-like projection on cranioventral wall, contains external urethral orifice
  • no mucosal folds
  • vestibular bulb = a nodular erective tissue on each lateral wall
26
Q

What does the external genitalia include?

A
  • vulva
  • clitoris
  • urethra
27
Q

vulva

A
  • lies caudal to vestibule
  • consists of two lips, labii, joined dorsally and ventrally by commissures and separated by a narrow cleft, rima pudendi
28
Q

clitoris

A
  • homologue of male penis
  • located in the floor of the vestibule near the vulva

Consists of:

  • pair of crura
  • body
  • glans = projects into fossa clitoridis
  • os clitoridis can be present
29
Q

Blood supply for female repro tract

A

Ovarian artery

  • uterine branch
  • tubal branch

Internal Pudendal artery

  • vaginal artery
  • uterine artery
  • artery of the clitoris
  • artery of the vestibular bulb

Gross Anatomy 1 (20 decks)

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