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Exam Questions Flashcards

1
Q

In what stage of development would you expect to find the corpus luteum?

A

You would find the corpus luteum after a follicle is mature and developed, right time for impregnation.

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2
Q

What are of the organ would you find the corpus luteum?

A

It is developed on follicle

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3
Q

Hormones synthesized in Corpus Luteum

A 
Progesterone-maintain pregnancy 
Oxytocin
Relaxin
Inhibin 
Activin
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4
Q

What type of epithelium covers the lining of the cervix?

A

Serosa epithelial cells

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5
Q

What determines the type of cervix in ruminants?

A

Annular rings

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6
Q

Name 3 Functions of the cervix

A

Transportation vehicle for sperm
Selection for viable sperm
sperm reservoir- found in localized crypts
prevents entry of foreign material
expansion/dilation during parturition
enzymatic degradation of connective tissue

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7
Q

What parts are within the oviduct and what are their functions?

A

Mesovarium -protect and is the suspensory ligament of the ovary
Mesosaplinx- The mesentery and protector of the ovary
mesometrium- the suspensory ligament of the uterus

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8
Q

What structure would you find in ruminant uterine horns, and what is their function?

A

Caruncles are found within ruminants and they form placentomes when they fuse with fetal cotyledon.
Functions to help fetal transport into the cervix and the site of attachment for the placenta

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9
Q

What is the only accessory sex gland that you can observe in dogs?

A

prostate

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10
Q

What two regions are the ovaries separated into

A

Coretex and Medulla

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11
Q

What is the function of the cortex?

A

It is the main functional area of the ovary and performs gametogenic and endocrine functions

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12
Q

What is the primordial and primary follicle and when is it seen?

A

The primordial follicle is a resting oocyte surrounded by flattened follicle cells, it is the first follicle produced after corpus Albican regression.
The primary follicle is an oocyte surrounded by a single layer of cells and happens after the development of the primordial follicle.

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13
Q

Where fo you find the zone pellucida, granules cells, basement membrane, theca internal/externa?

A

They are found within the tertiary follicle

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14
Q

Name follicular layers from oocyte then outward

A

zona pellucida (surrounding oocyte) , corona radiata (single layer cells surrounding oocyte), Cumulus oophorus (cells that oocyte sits on), Follicular Fluid (fluid which is secreted by granulosa cells), granulosa cells (endocrine cells, receptors for FSH, produce estrogens and inhibit), Basement Membrane (separate theca cells from granulosa cells), Theca Interna (endocrine cells, receptors for LH, produces androgens)

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15
Q

When does the corpus hemorrhagicum appear?

A

It appears at the beginning of of follicular development in which the corpus luteum is in development

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16
Q

When does the corpus albicans appear?

A

It appears after there was no fertilization of the oocyte, and the corpus luteum regresses becoming the corpus albicans that has lots of connective tissue

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17
Q

Where is the oviduct located?

A

Tube structure from connective ovary to uterus

18
Q

What are the different structures within the oviduct? staring closest to ovary

A

infundibulum, ampulla, ampullarwy-isthmic junction, isthmus, and the utero-tubal junction.

19
Q

What is the ovarian bursa?

A

Sac of connective tissue and ligaments surrounding the ovary

20
Q

Where does fertilization usually occur?

A

IN the ampulla

21
Q

What is the outermost layer that functions are uterus support?

A

Perimetrium

22
Q

What is the cervix?

A

rigid portions uterine tract that separates the external environment fro the internal environment.

23
Q

Layers of the cervix

A

serosa, musculares, and mucosa

24
Q

main structures of male reproduction ?

A

Scrotum, testis, urethra, epididymis, spermatic cord, pens, prepuce and the accessory sex glands

25
Q

Function of the testis

A

produces sperm and secretes testosterone

26
Q

What is in the tunica albuginea

A

It is a connective tissue sheath that encases the seminiferous tubules and the leydig cells

27
Q

What is the main source of testosterone

A

The leydig cells

28
Q

What are the layers protecting the testes (outside to inside)

A

Scrotum ( outer layer), Tunica Dartos ( smooth muscle), Parietal Vaginal Tunic ( Outer portion of vaginal cavity ), vaginal cavity , Visceral vaginal tunic (layer of perimetric), tunica albuginea

29
Q

Where is the tunica vaginalis located and what 3 layers are within?

A

Parietal and visceral vaginal tunic, and the vaginal cavity is in between both

30
Q

What is the difference between Sertoli cells and leydig cells?

A

Leydig cells secrete testosterone

Sertoli cells secrete estrogen

31
Q

What is the function of the epididymis and where can it be found?

A

Function of epididymis is sperm transport, sperm concentration, secretion of protein/ other fluids, storage of sperm (tail), and sperm maturation. Found in testes and in connects to penis for ejaculation

32
Q

What is the site spermatogenesis

A

seminiferous tubules

33
Q

Where are sertoli cells found

A

germinal epithelium

34
Q

What helps with thermoregulation

A

Scrotum

35
Q

What structure helps to transport spermatozoa

A

mediastinum is the elevator to epididymis

36
Q

components of the spermatic cord

A

ductus deferens, spermatic artery and veins, pampiniform plexus (important for thermoregulation), cremaster muscle, nerves and lymphatics

37
Q

What is the function of testicular thermoregulation

A

Regulation of testes temperature, is about 4-6 degrees celsius cooler than body temperature

38
Q

What are considered accessory sex glands

A

vesicular glands (secrete proteins, sugars, prostaglandin), prostate gland ( modify the vaginal envy to enhance sperm survival), bulbourethral gland (secretes protein and mucus)

39
Q

what is the function of the urethra

A

tarnsports sperm

40
Q

Parts of the penis

A

Base, Head and glands

41
Q

what are the two types of penis, and what is the difference?

A

Vascular penis seen in humans, horses, dogs, etc.

Fibroelastic penis in ruminants and boar

Reproduction (7 decks)

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