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Normal OB > Lesson 1C > Flashcards

Lesson 1C Flashcards

1
Q

What are the pelvic structures of the uterus? (11)

A
  1. Fundus
  2. Body
  3. Cervix
  4. Endo canal
  5. Myometrium
  6. Endometrium
  7. Serosa
  8. Internal os
  9. External os
  10. Vagina
  11. Introitus
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2
Q

What are the segments of the fallopian tubes? (4)

A
  1. Interstitial
  2. Isthmus
  3. Ampulla
  4. Infundibulum
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3
Q

What shape is the uterus?

A

Pear shaped

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4
Q

What does the uterus receive?

A

The embryo

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5
Q

What does the uterus do?

A

House and protects the embryo during pregnancy

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6
Q

What 3 segments does the uterus split into?

A
  1. Fundus
  2. Body
  3. Cervix
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7
Q

What 2 openings does the cervix have?

A
  1. Internal os

2. External os

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8
Q

Where is the internal os located?

A

Closest to the body of the uterus

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9
Q

What does the internal os do?

A

Communicates with the endometrial canal

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10
Q

Where is the external os located?

A

Closest to the vagina

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11
Q

What does the external os do?

A

Communicates with the vaginal vault

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12
Q

What are the pelvic ligaments? (6)

A
  1. Round ligament
  2. Cardinal ligament
  3. Uterosacral ligament
  4. Ovarian ligament
  5. Ovarian suspensory ligament
  6. Broad ligament
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13
Q

What do the pelvic ligaments do?

A

Holds everything in place

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14
Q

What does the uterosacral ligament do?

A

Supports the uterus

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15
Q

What does the ovarian suspensory ligament do?

A

Supports the ovaries

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16
Q

What does the broad ligament do?

A

Drapes over the uterus and the fallopian tubes

17
Q

What are the 3 layers of the uterine wall?

A
  1. Tunica serosa / perimetrium
  2. Tunica muscularis / myometrium
  3. Tunica mucosa / endometrium
18
Q

What kind of tissue is the tunica serosa?

A

Connective tissue

19
Q

What is the tunica muscularis capable of?

A

Very strong contractions to expel a fetus at term

20
Q

What does the tunica mucosa do?

A

It thickens and becomes more vascular to prepare to support a fertilized egg
- this occurs approximately every 28 days

21
Q

What happens if the egg is not fertilized in the endometrium?

A

It will simply pass through the uterus

- bleed out the vagina

22
Q

Why does the tunica mucosa layer shed if not fertilized?

A

Without the hormonal reinforcement of a pregnancy, the vessels of the endometrium will constrict that leads to necrosis and the lining will be shed

23
Q

What is shedding of the endometrium layer called?

A

Meses

24
Q

What is another word for an egg?

A

Oocyte

25
Q

What 2 layers make up the endometrium?

A
  1. Functional
    - superficial
  2. Basal
    - deep
26
Q

What happens to the functional layer of the endometrium?

A

It thickens during the cycle and is sloughed off at the end of the cycle

27
Q

What is the functional layer directly involved with?

A

The implantation of the blastocyst

28
Q

What does the basal layer contain?

A

The ends of uterine glands

29
Q

What does the basal layer have?

A

Its own blood supply

- not lost during menses

30
Q

What shape are ovaries?

A

Oval/almond shaped gland

31
Q

What are the functions of the ovaries? (2)

A
  1. Reproductive
    - produces the oocyte
  2. Endocrine
    - produces estrogen and progesterone
32
Q

How many primary follicles do newborns have?

A

1 million

33
Q

How many primary follicles will mature?

A

Approximately 400 of them

34
Q

What are the 3 cycles of the female cycle?

A
  1. Ovarian Cycle
  2. Hormonal Cycle
  3. Endometrial Cycle
35
Q

Ovarian cycle

A

Refers to the series of changes in the ovary during which the follicle matures, the ovum is shed, and the corpus luteum develops

36
Q

Hormonal cycle

A

Is another term for the menstrual cycle

37
Q

Endometrial cycle

A

The portion within the menstrual cycle that has to do with your endometrium
- very important component of helping your body prepare for pregnancy

Normal OB (18 decks)

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