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Flashcards in Female Deck (17):
1

Cervix

Neck of the uterus extends into the vaginal canal.

2

Endocervix:

Mucous membrane lining the cervical canal

- region of the opening of the cervical canal into the uterine cavity.

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3

Ectocervix:

Cervix extending into the vagina

- lined by stratified squamous non keratinized epithelium.

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4

Cervix:

Tissue and epithelium

  • Wall - contains dense connective tissue
  • Internal ostium of the cervix - simple columnar epithelium.
  • Squamous epithelial cells constantly being shed into the vagina.

5

Vagina

Tissue and epithelium

  • Fibromuscular canal – non keratinized stratified squamous epithelium
  • Layer of smooth muscle -inner circular and outer longitudinal coats.

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6

ID the image and the arrowhead.  

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  • Primary Follicle
  • A layer of glycoprotein (zona pellucida) - around the oocyte

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7

Do you know this?

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Yes or no?

8

Describe the hormone and meiotic changes that occur during ovulaion.

  • Surge of luteinizing hormone
  • Primary oocyte completes first meiotic division - secondary oocyte and first polar body (contained within graffian follicle).
  • Secondary oocyte enters second meiotic division - stops at metaphase.
  • Secondary oocyte and surrounding granulosa cells - released from ovary.

9

No pregnancy → corpus luteum → degenerates → ?

Corpus albicans

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10

 

Granulosa Lutein Cells

Describe.

Hormone?

  • Large, round cells with a central nucleus

  • Secrete progesterone.

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11

Theca Lutein Cells

Describe.

Hormone?

  • Theca interna cells retain their linear characteristics -theca lutein cells

  • Interspersed between the granulosa lutein cells -fewer in number.

  • Secrete progesterone and androgens.

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12

List the parts of the Fallopian Tube (aka Oviduct aka Uterine Tube)

  • Infundibulum
  • Ampulla
  • Isthmus
  • Intrauterine (intramural)

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13

What are the 2 distict oviduct cell types?

  • Ciliated simple columnar epithelial cells – most numerous – infundibulum and ampulla (almost 75%)
  • Secretory cells – nonciliated & wedged in between the ciliated cells -also called peg cells (arrow) - nutritive material for ovum.

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14

What are the 3 parts of the uterus?

What are the 3 layers of the uterine wall?

Parts

  1. Fundus
  2. Body
  3. Cervix

Uterine Wall Layers

Inner Endometrium (glandular)

Middle Myometrium (muscular)

outer Perimetrium (lined by serosa / adventitia)

 

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15

Describe Myometrium.

  • Interlacing bands of smooth muscle fibers - contract under the influence of oxytocin at parturition.
  • Undergo hyperplasia and hypertrophy - pregnancy.

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16

What is the functional region of endometrium?

  • Changes dramatically during the course of each cycle - lost if pregnancy does not occur.

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17

What is the basal region of endometrium?

  • Close to myometrium - retained during menstruation - stem cells for the functional region – provides for next cycle.

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