Female Reproductive System Flashcards

1
Q

What are the parts of the female reproductive tract?

A
  • Ovary
  • Oviduct
  • Uterus
  • Cervix
  • Vagina
  • Vulva
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2
Q

What are the functions of the ovary?

A
  • Gametogenesis (Production of oocytes)

- Steroidogenesis (Production of Estrogen, Progesterone, Relaxin, Testosterone and inhibin)

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3
Q

What are the functions of the oviduct?

A
  • Gamete transport

- Site of fertilization

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4
Q

What are the functions of the uterus?

A
  • Retains and nourishes the embryo and fetus

- PGF2 alpha - Luteolysis of the corpus luteum and expulsion of the fetus

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5
Q

What are the functions of the cervix?

A
  • Prevents microbial contamination of the uterus
  • Reservoir for semen and transport of spermatoza
  • Site of semen deposition during normal mating
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6
Q

What are the functions of the vagina?

A
  • Organ of copulation

- Site of semen deposition during natural mating

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7
Q

What are the parts of the ovary?

A
  • Cortex
  • Medulla
  • Superficial epithelium
  • Tunica albuginea
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8
Q

What is contained within the medulla?

A
  • Blood vessels
  • Nerves
  • Connective tissue
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9
Q

What is contained within the cortex?

A
  • Oocyte - follicle
  • Corpora hemorrhagica
  • Corpora lutea
  • Corpora Albicantia
  • Sex hormones
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10
Q

What is the tunica albuginea?

A

connective tissue

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11
Q

What are the types of follicle?

A
  • Primary follicle
  • Secondary Follicle
  • Growing follicle
  • Mature follicle
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12
Q

What are the characteristics of a primary follicle?

A
  • Developing oocyte

- One layer of follicular cells

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13
Q

What are the characteristics of a secondary follicle?

A

2 layers of follicular cells

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14
Q

What are the characteristics of a growing follicle?

A

Antrum

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15
Q

What is an antrum?

A

Fluid filled area inside the developing follicle

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16
Q

What are the characteristics of a Mature follicle?

A

It is a graafian follicle

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17
Q

What is the structure of a graafian follicle?

A
  • Antrum - Filled with steroids, nonhormonal factors and inhibin
  • Theca externa - fibrous collagen and muscle
  • Theca interna - capillary network - LH receptors and Androstenedione
  • Basement membrane - Separate theca interna from granulosa layer
  • Granulosa cells - surround antrum + forms cumulus oophorus and corona radiata
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18
Q

What is the function of the basement membrane in graafian follicles?

A

Prevents entry of vascular system into granulosa layer

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19
Q

What is ovulation stimulated by?

A
  • LH
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20
Q

What happens during ovulation?

A

Follicle ruptures expelling follicular fluid, some granulosa cells and the ovum surrounded by cumulus cells

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21
Q

What is the oocyte surrounded by?

A

Corona radiata (Granulosa cells)

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22
Q

What is the corpus luteum?

A

Yellowish body formed by the proliferation of a mixture of theca and granulosa cells

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23
Q

What do luteal/ Corpus luteum cells secrete?

A

Progesterone

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24
Q

What are other forms of a corpus luteum?

A
  • Corpus hemorrhagicum

- Corpus albicans

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25
Q

What is a Corpus hemorrhagicum?

A

Ruptured follicle with its blood filled cavity

26
Q

What is a Corpus Albicans?

A

Regressed corpus luteum: looses yellow color and eventually appears as a small white scar on the surface of the ovary

27
Q

What is Monotocous?

A

Ovulation of one oocyte during each estrus

28
Q

What is Polytocous?

A

Ovulation of multiple oocytes during each estrus

29
Q

What are different types of reproductive patterns?

A
  • Spontaneous
  • -> Seasonal and non-seasonal
  • Induced
  • -> Seasonal and non-seasonal
30
Q

What are the parts f the oviduct?

A
  • Infundibulum
  • Ampulla
  • Isthmus
  • Utero-tubal Juncation
31
Q

What is the infundibulum?

A

Fimbriated end that recieves the ova following ovulation

32
Q

What is the Ampulla?

A

Funnel like structure where fertilization occurs

33
Q

What is the Isthmus?

A

Long tube embedded in the mesosalpinx

34
Q

What is the Utero-tubal Junction?

A

Physiological junction between oviduct and uterus

- Reservoir for sperm

35
Q

What are the layers of the oviduct?

A
  • Serosa
  • Muscularis
  • Smooth muscle
  • Mucosa Lining
36
Q

What are the different parts of the Broad ligament?

A
  • Mesoovarian
  • Mesosalpinx
  • Mesometrium
37
Q

What is the Mesoovarian located?

A

Ovary at hilus

- Utero-ovarian artery

38
Q

What is the Mesosalpinx located?

A

Oviduct

  • Middle uterine artery and illiac artery
  • Pregnancy diagnosis
39
Q

What is the Mesometrium located?

A

Uterus

- Post uterine artery

40
Q

What is the broad ligament?

A

Peritoneal folds

41
Q

What are the supportive structures of the female reproductive tract?

A
  • Nerves
  • -> Autonomic nerves (SNS and PNS)
  • -> Sensory Nerves (Vulva and clitoris)
  • Lymphatics
  • Blood supply
  • -> Hypogastric artery
  • Broad ligament
  • -> Mesoovarian
  • -> Mesosalpinx
  • -> Mesometrium
  • Prexiform structure (Ovarian Artery and Uterine Vein)
42
Q

What are the parts of the uterus?

A
  • Horn
  • Body
  • Cervix
43
Q

What is the internal structure fo the uterus?

A
  • Maternal prominences (Caruncles)

- Fetal chorionic villi (Cotyledon)

44
Q

What makes up the placentome?

A
  • Maternal prominences (Caruncles)

- Fetal chorionic villi (Cotyledon)

45
Q

What is the placentome?

A

Unit that forms the placenta

46
Q

What are caruncles?

A

Endothelium of the maternal blood vessel

  • connective tissue of the uterine mucosa
  • Uterine epithelium
47
Q

What are cotyledons?

A
  • epithelium of chorion
  • contis of fetal membrane
  • endothelium of blood vessels of allantochorion
48
Q

What are the badic types of uteri in mammals? how many vaginas(V)/cervixes(C)/uterine(U) horns do they have?

A
  • Advanced Duplex - 2V, 2C, 2U
  • Duplex - 1V, 2C, 2U
  • Bicornuate - 1V, 1C, 2U
  • Biparte - 1V, 1C, 2U
  • Modified Biparte - 1V, 1C, 1U
  • Simplex - 1V, 1C, 0U
49
Q

What is contained within the perimetrium?

A

Broad ligament

50
Q

What is contained within the myometrium?

A

Muscles

51
Q

What is contained within the endometrium?

A
  • Blood vessels
  • Glands
  • Epithelium
52
Q

What is the location and structure of uterine glands?

A
  • Open into the suface of the lumen of the uterus

- Located between the caruncles in some species or at any point in others

53
Q

What is the role of progesterone on uterine glands?

A

Glandular growth and epithelial proliferation

54
Q

What happens during menstruation?

A

Sloughing of epithelium and glands

55
Q

What are some abnormalities of the uterus?

A
  • Pyometra

- Endometritis

56
Q

What is Pyometra?

A

Pus or leucocytes build up in the uterine lumen

- remove existing cause of infection

57
Q

What is Endometritis?

A
  • Infection of uterine wall
  • Thickening of uterine wall
  • Enlargement of uterus
58
Q

How can you fix uterine abnormalities?

A
  • Uterine contractors, antibiotics or luteolytic
59
Q

What is the Cervix?

A

A thick walled part of the uterus that is composed of non-elastic connective tissue, connective tissue, Muscle layers and secretory cells

60
Q

What is the Vagina?

A

Connects the cervix to the urethral orfice

- Composed of Serosa and muscularis layers

61
Q

What is the Vestibule?

A
  • Hymen to the lips of the vulva

- Urogenital part

62
Q

What is the Vulva?

A
  • The entrance to the reproductive internal organs

- Lips are prominent during estrus