5.5 Histology of the Female Reproductive System Flashcards Preview

ANATOMY > 5.5 Histology of the Female Reproductive System > Flashcards

Flashcards in 5.5 Histology of the Female Reproductive System Deck (91):
1

Surface epithelium of ovaries

Simple cuboidal epithelium aka germinal epithelium

2

Responsible for whitish color of the ovary

Tunica albuginea

3

Tunica albuginea is composed of _______ connective tissue

Dense connective tissue

4

Ovarian parenchyma has two layers namely

Cortex and medulla

5

Part of the ovarian parenchyma that contains highly cellular CT and ovarian follicles

Cortex

6

Part of the ovarian parenchyma that contains loose CT and blood vessels

Medulla

7

Correct order of follicular growth and development phases

Primordial - unilaminar primary - multi laminar primary - secondary / antral - mature/ graafian - ovulation

8

In the beginning of puberty, pituitary gland releases which hormone

FSH

9

The primordial follicle contains chromosomes in which meiosis stage

First meiotic prophase

10

Follicular Stage which form simple cuboidal epithelium around the primary oocyte

Unilaminar primary follicle

11

Follicular stage where granulosa cells are first formed

Multilaminar primary follicle

12

Epithelium of multilaminar primary follicle

Stratified cuboidal

13

Follicular stage characterized by complete zona pellucida

Multilaminar primary follicle

14

ZP1-ZP4 functions to

Binding proteins on sperm surface to induce acrosomal activation

15

Follicular stage characterized by accumulation of follicular fluid or liquor folliculi

Antral follicle

16

Vascularized endocrine tissue that secretes androstenedione

Theca interna

17

Cells that aromatize the steroid into estradiol

Theca cells

18

Thecal layer with smooth muscle and fibroblasts

Theca externa

19

Most developed stage of follicular growth

Graafian

20

Part of graafian follicle that protrudes into the antrum

Corpus oophorus

21

Accompanies the oocyte when it leaves the ovary

Corpus radiata

22

Phase where in Antrum increases in size and accumulates follicular fluid rapidly

Graafian

23

Graafian follicle develops from a primordial follicle in over a period of ____ days

90 days

24

Graafian follicle has ______ granulosa layer and _____ thecal layer

Thinner granulosa layer, thick thecal layers

25

How many chromosomes are there in a primary oocyte?

46 or 23 pairs, diploid cell

26

How many chromosomes are there in a secondary oocyte?

23, haploid

27

Primary follicles that do not mature undergo what process

Atresia - degeneration of ovarian follicles that do not ovulate during menstrual cycle

28

Primary oocytes are arrested at what stage

Prophase I

29

Secondary oocytes are arrested at what stage

Metaphase II

30

Final viable product of oogenesis

Ovum (haploid)

31

Before birth primordial germ cells differentiate into

Oogonium

32

Lining ep. of fallopian tube

Simple columnar ciliated ep

33

Most common site of ectopic pregnancy in fallopian tubes

Ampulla

34

Most common site of RUPTURED ectopic pregnancy in fallopian tubes

Isthmus

35

Addt'l innermost longitudinal layer of muscularis of fallopian tubes

Intramural

36

Mucosa of fallopian tubes is most prominent in which part

Ampulla

37

Muscularis layer of fallopian tube is thicker in ehich part

Isthmus

38

Epithelial lining of mucosal layer of fallopian tube

Simple columnar ep

39

Cells that help transport oocyte to uterus

Ciliated cells

40

Produces nutritive fluid covering of epithelium

Peg cells

41

Function of peg cells

Produces nutritive fluid covering of epithelium

42

In the luteal phase, there is accumulation of

Glycogen

43

Corpus luteum of menstruation is programmed to secrete

Progesterone for 10-12 days

44

Difference bet corpus luteum in menstruation and pregnancy

Bigger size of corpus luteum of pregnancy

45

Makes up most of corpus luteum (85%)

Granulosa lutein cells

46

Granulosa lutein cells secrete _________ from androstenedione and secrete _________

Estradiol and progesterone

47

From theca interna

Theca lutein cells

48

Theca lutein cells secrete

Progesterone and androstenedione

49

If pregnancy does not occur, corpus luteum will degenerate to form

Corpus albicans - scar tissue from ovarian follicle

50

Corpus albicans is composed of

Collagen with few fibroblasts

51

Advanced atresia is characterized by

Glassy membrane - thickening of basement membrane bet. Theca interna and granulosa cells

52

Follicular atresia is most prominent at

Just after birth

53

Atretic follicles are replaced by

Corpus fibrosum

54

Termination of uterus

Cervix

55

Outer CT layer of uterus

Perimetrium - laregly serosa, some adventitia, continuous with ligaments

56

Thickest tunic of uterus

Myometrium - highly vascular : stratum vasculare - 4 woven but poorly defined layers

57

Layers of myometrium parallel to long axis of uterus

1st and 4th layers

58

Myometrium layers that have circular width with large bld v

Middle layers

59

Epithelial lining of endometrium layer of the uterus

Simple columnar ep with alternating secretory cells (forms uterine glands) and ciliary cells

60

Stroma of the Endometrium contains

Type III collagen, abundant fibroblast

61

Straight a.

Basal layer

62

Spiral a.

Functional layer

63

Functional layer changes depending on what hormone

Estrogen

64

Phase in menstrual cycle characterized by increased estrogen

Proliferative phase

65

Proliferative phase has uterine glands that are

Straight

66

Secretory phase has uterine glands that are

Highly coiled

67

Phase in menstrual cycle characterized by increased progesterone and glycogen

Secretory or luteal

68

Phase with maximum endometrium thickness

Luteal secretory phase

69

Menstrual phase is characterized by decrease in

Progesterone and estrogen

70

Endocervix lining

Mucus secreting simple columnar ep

71

Ep lining of exocervix

Stratified non keratinized squamous ep

72

Most susceptible to cancer ca, dysplacia

Transformation zone

73

Pinkish orange cytoplasm in cervical smear

Surface cells

74

Blue green cytoplasm in cervical smear

Subsurface cells

75

Epithelium of vagina

Stratified squamous

76

Vagina is covered by

Adventitia

77

Causes low ph in vagina

Lactic acid from glycogen

78

Forms the future placenta

Deciduas basalis and trophoblast

79

Decidua lining rest of uterus

Decidua parietalis

80

Decidua overlying embryo

Decidua capsularis

81

Stage of chorionic villus that appears 15th day after implantation

Secondary villus

82

Stage of chorionic villus that appears 2nd day after implantation

Primary villus

83

Stage of chorionic villus with proliferating cytotrophoblast and synctiotrophoblast

Primary villus

84

Stage of chorionic villus where there is mesenchyme tissue invasion by fetal artery

Tertiary villus

85

Premature placenta layer

Cytotrophoblast

86

Outer layer of premature placenta

Synctiotrophoblast

87

Mature placenta is distinguished by

Synctial knots : aggregation of synctiotrophoblasts

88

Embryo is surrounded by

Extraembryonic coelom

89

The fetus is surrounded by

Amniotic cavity

90

Umbilical cord is composed of

2 umbilical arteries and 1 umbilical vein

91

Umbilical cord consists of mainly mucous CT named

Wharton's Jelly