March 21 Flashcards

1
Q

Which structures does the vagina extend to and from?

A

Vagina runs from posterior fornix (horn) to the vestibule of the vagina (entrance)

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2
Q

What does the vestibule contain?

A

Both vagina, external urethral orifices, and the opening of the two greater vestibular glands

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3
Q

Which structure is found at the superior end of the vagina?

A

Cervix

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4
Q

What is the term for the recess around the protruding cervix?

A

Vagina fornix

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5
Q

What are the parts of the fornix? Which part is the deepest and related to the recto-uterine pouch?

A
  • Anterior
  • Posterior = Deepest and related to the recto-uterine pouch
  • Lateral
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6
Q

What are the four muscles which compress the vagina and act like sphincters?

A
  • Pubovaginalis
  • External Urethral Sphincter
  • Urethrovaginal Sphincter
  • Bulbospongiosus
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7
Q

Which vessels supply which parts of the vagina?

A

Superior part is supplied by branches of the uterine arteries

Middle/Inferior part is supplied by the vaginal artery
- Also, the internal pudendal artery

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8
Q

Describe the venous drainage of the vagina.

A

Vaginal venous plexus -> uterine venous plexus -> uterovaginal plexus -> uterine vein  internal iliac vein

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9
Q

Which parts of the vagina drain into which lymph nodes?

A
  • Superior part is drained by internal and external iliac lymph nodes
  • Middle part is drained by the internal iliac lymph nodes
  • Inferior part is drained by the sacral and common iliac lymph nodes
  • Superficial inguinal lymph node
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10
Q

What is the normal position of the uterus?

A

Uterus is anteverted and anteflexed

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11
Q

What is the rounded part of the uterus called?

A

Fundus

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12
Q

What are the two parts of the cervix and where are they found?

A

1) Supravaginal part between the isthmus and the vagina

2) Vaginal part

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13
Q

What are the layers of the wall of the uterus? Which one is the outer serous coat? Which one is the muscular coat? Which one is the inner mucous coat? Which one contains blood vessels and nerves?

A

Layers of the wall

1) Perimetrium (outer serious coat)
2) Myometrium (muscular coat)
3) Endometrium (inner mucous coat)

  • Outer serious coat = Perimetrium
  • Blood vessels & Nerves = Myometrium layer
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14
Q

What is the attachment of the ligament of the ovary?

A

Ligament of ovary runs from the ovary and attaches postero-inferior to the utero-tubal junction

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15
Q

What is the attachment of the round ligament of the uterus?

A

Attaches antero-inferior to utero-tubal junction

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16
Q

Describe the broad ligament of the uterus and where it extends two and from? What is the superolateral projection of the broad ligament?

A
  • “Vacuum sealing” the reproductive organs
  • Double layer of peritoneum
  • Extends from sides of uterus to the lateral walls and floor of the pelvis
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17
Q

In which ligament are the ovarian vessels found?

A

Broad ligament

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18
Q

In which part of the broad ligament is the ovary suspended?

A

Mesovarium is a part of the broad ligament over which the ovary is suspended

19
Q

In which part of the broad ligament is the mesentery of the uterine tube found?

A

Mesosalpinx is part of the broad ligament that forms the mesentery of the uterine tube

20
Q

In which part of the broad ligament is the mesentery for the uterus found?

A

Mesometrium is a part of the broad ligament that forms the mesentery for the uterus

21
Q

Which arteries drain the uterus?

A

Ovarian arteries

  • From the abdominal aorta
  • Descend along the posterior abdominal wall
  • At pelvic brim they cross over the external iliac vessels and enter the suspensory ligaments

Ovarian arteries to the branch of through mesovarium to ovary OR to the branch to the uterine tube

22
Q

Which vein drain the uterine venous plexus and into which vein do the drain into?

A
  • Pampinidorm plexus of veins within the broad ligament -> Ovarian veins -> (Right) Ovarian vein to the IVC OR (left) Ovarian vein to the left renal vein
23
Q

Which parts of the uterus drain into which lymph nodes?

A
  • Superior – lumbar/aortic lymph nodes
  • Middle – external iliac lymph nodes
  • Inferior – internal iliac lymph nodes
24
Q

Describe the innervation of the inferior vagina.

A

Inferior vagina

  • Somatic innervation
  • Deep perineal nerve (branch of the pudendal nerve)
25
Q

Describe the innervation of the rest of the vagina and uterus.

A

Rest of vagina and uterus

  • Visceral nerve plexus
  • Uterovaginal nerve plexus – travels with the uterine artery
26
Q

Describe the sympathetic innervations of the superior vagina and uterus.

A

Originates in the inferior thoracic spinal cord segments and passes through lumbar splanchnic nerves and the intermesenteric-hypogastric-pelvic series of plexuses

27
Q

Describe the parasympathetic innervations of the vagina and uterus.

A

Originates in S2-S4 spinal cord segments and passes through the pelvic sphlanchnic nerves to the inferior hypogastric-uterovaginal plexus

28
Q

What is the name of the funnel-shaped distal end of the infundibulum?

A

Ampulla

29
Q

What is the name of the finger-like process of the infundibulum?

A

Fimbriae

30
Q

What is attached to the superior aspect of the ovary?

A

One large ovarian fimbriae are attached to the superior part of the ovary

31
Q

What is the widest and longest part of the uterine tube?

A

Ampulla

32
Q

What is the narrowing of the uterus?

A

Isthmus

33
Q

Which three structures hold the ovary in place?

A
  • Mesovarium
  • Ligament of the ovary
  • Suspensory ligament of the ovary
34
Q

What is the posterosuperior aspect of the broad ligament?

A

Mesovarium

35
Q

Where does the suspensory ligament attach?

A

Attaches to the pelvic wall

36
Q

Which ligament conveys the ovarian vessels, lymphatics and nerves?

A

Suspensory ligament of the ovary

37
Q

Which ligament attaches the ovary to the uterus?

A

Ligament of ovary

38
Q

What is the blood supply of the ovaries?

A
  • Ovarian arteries come from abdominal aorta and they descend down posterior abdominal wall
  • Cross over external iliac vessels and enter the ________
39
Q

What is the course of the ovarian arteries?

A
  • They descend along the posterior abdominal wall

At the pelvic brim they corss over the external iliac vessels and enter the suspensory ligaments.

40
Q

Prior to entering the suspensory ligament, which receive branches from the ovarian artery?

A
  • Prior to entering the suspensory ligament, which receive branches from the ovarian artery?
    Branch through mesosalpinx to the uterine tube
41
Q

Describe the venous drainage of veins including where the right and left veins drain.

A

Right ovarian veins drains into the IVC and the left ovarian vein drains into the left renal vein

42
Q

Where is the pampniform plexus of veins located?

A

Within the broad ligament

43
Q

Describe the drainage of uterine tubes.

A

Pampniform plexus of veins within the broad ligament -> Ovarian veins -> (Right) Ovarian vein to the IVC OR (left) Ovarian vein to the left renal vein

44
Q

Describe the innervation of uterine tubes.

A
  • Ovarian plexus and uterine plexus