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ZOOT > Reproductive System > Flashcards

Reproductive System Flashcards

1
Q

Produce male sex hormones

A

testosterone

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2
Q

Produces and stores the male reproductive
cells

A

spermatozoa

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3
Q

External Organs/Parts

A

● Scrotum
● Penis
● Prepuce

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3
Q

Containing the testes and serving as a
thermoregulator

A

Scrotum

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4
Q

Internal Organs/Parts

A

● Testes
● Ducts
● Accessory Glands

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4
Q

Pouch or diverticulum of the abdomen

A

Scrotum

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5
Q

Loop system of veins and arteries
that allows heat exchange.

A

Pampiniform Plexus

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5
Q

External Cremaster
Tunica Dartos

A

Double Muscular System

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6
Q
  • Main portion
  • Formed by the urethra and the
    erectile tissues
A

body

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6
Q

Soft terminal portion of the penis

A

. Glans Penis

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7
Q

The organ of copulation in males

A

penis

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7
Q
  • Roots/Pizzle eye, attached to the
    ischial arch of the pelvis
  • Beginning portion is the
    bulbourethral muscle.
A

crura

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8
Q

Curving of the penis, which reduces
the length of the non-erect penis to
⅓

A

sigmoid flexure

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8
Q

Corkscrew shaped

A

Porcine

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9
Q

Tapering with a twist
clockwise

A

bovine

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9
Q

Enlarged blunt concave
body

A

Equine

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9
Q

Horse, Dog and Cat penis

A

Musculocavernous Penis

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9
Q

Ruminants and Swine penis

A

Fibroelastic Penis

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9
Q

Very long, extending the
entire length of the os
penis

A

Canine

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9
Q
  • Fully differentiated
  • Motile sperm cell
A

Spermatozoon

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10
Q

Irregular shaped with
filiform urethral process

A

Ovine

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10
Q

Has cornified spine

A

Feline

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11
Q

Invagination of the skin enclosing the free
extremity of the retracted penis and its
opening is covered by coarse hairs

A

Prepuce

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12
Q

A sac dorsal to the prepuce

A

● Preputial Diverticulum

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12
Q

Mixture of fatty secretion
- Cast of epithelial cells and bacteria

A

Smegma

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13
Q

Produce male hormones or androgens in the
microscopic interstitial cells located
between the seminiferous tubules

A

Testes

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13
Q

> Basement Membrane
Sertoli Cells/ Sustentacular/ Nurse
Cells

A

Seminiferous Tubules

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13
Q

Sustentacular cells, <nurse cells=,
provide nourishment and support to
developing sperm cells.

A

Sertoli Cells

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13
Q
  • Undifferentiated male germ cells
A

Spermatogonia

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14
Q

Produce and secrete testosterone
and other androgen important for
sexual development and puberty,
secondary sexual characteristics

A

Leydig Cells

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15
Q

Composed of the long , convoluted
epididymal duct that connects the efferent
ductules of the testis with the ductus
deferens.

A

Epididymis

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16
Q

Houses the spermatozoa as they mature
before they are expelled by ejaculation

A

Epididymis

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16
Q

Lying on the long axis of the
testis

A

body

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17
Q

Connected to the efferent ductules

A

head

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18
Q

Lying lowest to the scrotum

A

tail

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19
Q

Undergoes peristaltic contractions during
ejaculation, propelling the spermatozoa from
the epididymis to the urethra

A

Ductus/Vas Deferens

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20
Q

Glandular enlargements associated
with the terminal parts of the ductus
deferentia
- Contribute volume to the semen

A

Ampullae

20
Q

● A tube passing thru the penis to the outside
of the body
● Serves both reproductive and urinary
system

A

Urethra

21
Q
  • Seminal vesicles
  • Paired glands associated with the
    genital fold
  • Located on the floor of the pelvis
    cranial and lateral to ampulla and
    neck of the bladder
A

Vesicular gland

21
Q

Transection (ligation and/or removal
of a section) of the ductus deferens.

A

Vasectomy

21
Q
  • Located caudal or around the
    bladder or cranial portion of the
    pelvic urethra
  • Secretes alkaline solution
  • Clean and lubricate the urethra
    during pre-coital
A

Prostate gland

21
Q

Produces the female sex hormones

A

estrogen

22
Q
  • Cowper’s gland
  • Located in the bulbourethral muscle
A

Bulbourethral Gland

22
Q

Produces the female reproductive cells

A

ova

23
Q

Removal of the testes of the male
animal

A

Castration

24
Q

Absence of one or both testes from
the scrotum

A

Cryptorchidism

25
Q

External Genitalia

A
  • Vestibule
  • Vulva
25
Q

Produces pregnancy-promoting hormones

A

progesterone

26
Q

Internal Organs

A
  • Vagina
  • Uterus
  • Uterine Tubes
  • Ovaries
27
Q

● Portion of the reproductive tract between the
vagina and the external genitalia

A

Vestibule

28
Q

● External genitalia of the female
● Comprises right and left labia

A

Vulva

29
Q

● A structure of erectile tissue that has the
same embryonic origin as the penis in the
male

A

Clitoris

29
Q

● Lies within the pelvis between the uterus
cranially and the vulva caudally
● Site of semen deposition during copulation
passageway for fetal and placental delivery

A

Vagina

30
Q

● Consists of a body, a cervix (neck), and two
horns

A

uterus

30
Q

● Opening into the bladder on the floor of the
vagina
● Located posterior to the site of the hymen

A

Urethral Office

31
Q

Uterus divided into 2 horns

A

. Bicornuate

31
Q

Body divided into 2 parts

A

bipartite

31
Q

A uterus consisting of a single cavity

A

simplex

32
Q

Uterine horns are completely
separated and have separate
cervices opening into the vagina.

A

duplex

32
Q

Wide fold of peritoneum that connects the
sides of the uterus to the walls and floor of
the pelvis.

A

Broad Ligament

33
Q
  • The mesentery of the uterus
  • The largest portion of the broad
    ligament
A

Mesometrium

33
Q

The mesentery of the Ovaries

A

Mesovarium

34
Q

The mesentery of the Fallopian tube

A

Mesosalpinx

35
Q

● Neck of the uterus
● Sphincter-like structure
● Serves as a muscular <valve= that keeps the
uterus sealed off from the vagina most of the
time
● During estrus, the cervix relaxes slightly,
permitting spermatozoa to enter the uterus

A

Cervix

35
Q

● Tunica muscularis
● The muscular portion of the uterine
wall
● Increase in size during the
pregnancy

A

Myometrium

36
Q
  • Series of circular ridges or rings on
    the inner surface of the cervix
  • In ruminants and sow
A

Annular Fold

36
Q

● Innermost lining layer of the uterus
● Functions to prevent adhesions
between the opposed walls of the
myometrium
● Highly glandular tissue that varies in
thickness and vascularity with
hormonal changes in the ovary and
with pregnancy

A

Endometrium

36
Q
  • Mushroom-like non-glandular
    projections found at the inner
    surfaces of the uterine horn and
    body
  • Provide a site of attachment for the
    fetal membranes
A

Caruncles

37
Q

Circular structures distributed in
ruminant’s placenta

A

Cotyledon

38
Q

● Fallopian tube/Oviducts

A
  • Uterine Tube
38
Q

Funnel like structure that pick up the ovulated egg

A

infundibulum

38
Q

site of fertilization

A

ampulla

39
Q

constricted portion of the oviduct after ampulla m

A

isthmus

39
Q
  • Collective term applied to all
    mammary glands in ruminants and
    horse
A

Udder

39
Q

● Modified skin gland

A

Mammary Gland

39
Q

fringe like margin of the infundibulum

A

fimbria

40
Q
  • Secretory unit
A

Alveolus

41
Q
  • Narrow passage from the lactiferous
    sinus to the exterior
A

Papillary Duct or Teat Canal

42
Q
  • Building-up phase
  • Ovarian follicle (under the influence
    of FSH and LH) enlarges and begins
    to secrete estrogens
A

Proestrus

43
Q
  • Short period of sexual inactivity
    between recurrent periods of estrus
A

Diestrus

43
Q
  • Period of sexual receptivity
  • Primarily initiated by the elevation in
    estrogens from mature follicles just
    prior to ovulation
  • Standing heat
A

Estrus

44
Q

End of sexual receptivity,
postovulatory phase dominated by
corpus luteum function
- Serum estrogens decrease and
progesterone increases

A

metestrus

45
Q
  • Long periods between cycles of
    polyestrous animals that stop cycling
    (e.g. due to change in season) enter
    a long period of inactivity.
A

Anestrus

46
Q
  • Preovulatory increase in estrogens
    from developing follicles is the
    primarily event that brings about
    ovulation
  • E.g. rabbit, ferret, mink, camel, llama
    and alpaca
A

Spontaneous Ovulators

47
Q
  • The final preovulatory surge of
    GnRH, and subsequent of LH surge,
    is apparently dependent on a neural
    reflex elicited by vaginal stimulation
  • E.g. rodents, koala, cats
A

Induced Ovulators

47
Q
  • Condition of a female animal while
    young are developing within her
    uterus
A

pregnancy

48
Q
  • The stage of pregnancy at which the
    embryo adheres to the wall of the
    uterus
A

Implantation

49
Q
  • The development of fetal
    membranes
A

Placentation

49
Q

Secretes some albumen and the
shell membranes

A

Isthmus

49
Q
  • Shell gland
A

Uterus

50
Q
  • Only the left side develops
  • Mature ovum = Egg yolk
A

Ovary

50
Q
  • Ampulla, secretes majority of
    albumen
A

Magnum

ZOOT (8 decks)

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