N1H_Vivares, Justin_Reproductive System Flashcards

This set of flashcards provides a concise overview of the reproductive system, particularly focusing on the female reproductive system.

1
Q

What is the remaining follicular mass called, after an egg is ovulated?

A

corpus luteum

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2
Q

It is the hormone which causes the myoepithelial cells to contract?

A

oxytocin

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3
Q

What happens to the ruptured follicle, after ovulation?

A

It becomes a corpus luteum

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4
Q

What is the crown-to-bump length of an 8-week human embryo?

A

22 mm

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5
Q

Where does organogenesis occurs, during human embryonic development?

A

during the first trimester

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6
Q

It is the outer layer of the blastocyst, which attaches to the uterine wall.

A

trophoblast

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7
Q

Where does successful fertilization of the egg occurs?

A

Ampulla or Ampulla of the uterine tube

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8
Q

These are the primary reproductive that produces ova.

A

Ovaries

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9
Q

A follicle that is mature and will leave the ovary during ovulation.

A

Vesicular follicle or Graafian follicle

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10
Q

Parts of the female reproductive system, which makes-up the female duct system.

A

Uterine tubes, uterus, and vagina

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11
Q

It receives, retains, and nurtures the fertilized egg and also participates in childbirth

A

Uterus

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12
Q

These are not physically connected to the ovaries, but have fimbriae on their distal ends to “wave” the egg inside after ovulation.

A

Uterine tubes or fallopian tubes

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13
Q

It is the female copulatory organ
and the birth canal; it is partially closed by the
hymen, though a variety of activities can cause it
to rupture

A

vagina

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14
Q

It is the production of eggs; it begins with stem cells (oogonia) that produce primary
oocytes.

A

Oogenesis

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15
Q

What is the main female sex hormone that n drives the ovarian cycle and stimulates
secondary sex characteristics, such as breast development, growth of axillary and pubic hair, increased fat deposits, widening and lightening of the pelvis, and menses.

A

Estrogen

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16
Q

This cycle ) includes
cyclic changes to the endometrium of the uterus in response to changing ovarian hormone levels
in the blood.

A

uterine cycle or menstrual cycle

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17
Q

The phase of uterine cycle, when the endometrium begins to regenerate, glands form in it, and blood supply increases.

A

Proliferative phase

18
Q

The phase of uterine cycle, when increasing progesterone levels stimulate more endometrial gland
secretions and further development of blood
supply.

A

Secretory phase

19
Q

The phase of uterine cycle, when the endometrial lining
is shed.

A

Menstrual phase

20
Q

What degenerates, as LH levels naturally begin to decline, if no fertilization has occurred, causing progesterone levels to decline?

A

corpus luteum

21
Q

What causes the shedding of the endometrial lining in the uterus?

A

low ovarian hormone levels

22
Q

How many hours does the egg is viable, after ovulation?

A

12 to 24 hours

23
Q

It is called the early, rapid mitotic divisions of the zygote; this provides large cell numbers
for development to continue.

A

cleavage

24
Q

It is a ball of about 100 cells with a hollow center and begins secreting human chorionic gonadotropin (hCG), which prompts the corpus luteum to continue producing progesterone to maintain the pregnancy.

A

blastocyst

25
Q

This forms a fluid-filled sphere that will form the chorionic villi, which combine with uterine tissue to form the placenta.

A

trophoblast

26
Q

What are the three primary germ layers of the inner cell mass?

A

ectoderm, mesoderm, and endoderm

27
Q

It surrounds the primary germ layers, being fluid-filled once the placenta is formed. Also the umbilical cord form to attach to it and to the placenta. What is it called?

A

amnion

28
Q

When is a fetus considered “full-term” during the fetal period?

A

270 days after fertilization

29
Q

When preparing the body for pregnancy, what hormone is involved in the development of mammary glands and ducts?

A

Estrogen

30
Q

During lactation, where is milk produced and how does it exit the body?

A

produced in alveolar glands, exits through lactiferous ducts and sinus at the nipple.

31
Q

What type of breast tissue is responsible for milk production?

A

glandular tissue

32
Q

What is another term for childbirth, and what events does it encompass?

A

Another term for childbirth is parturition. It encompasses the events leading to the expulsion of the infant from the uterus, known as labor.

33
Q

What occurs during false labor, and what physiological changes trigger these contractions?

A

During false labor, also known as Braxton Hicks contractions, weak and irregular uterine contractions occur. These happen when estrogens reach their highest levels and the quieting influence of progesterone on the uterus is interrupted.

34
Q

Which hormones from the placenta are necessary to initiate labor?

A

Oxytocin and prostaglandins

35
Q

What is the dilation stage in labor, and how is it characterized in terms of cervical changes?

A

The dilation stage in labor is the time from the beginning of true contractions until the cervix is fully dilated to about 10 centimeters. This stage is characterized by the gradual opening and thinning of the cervix to allow for the passage of the baby.

36
Q

During which stage of labor might a cesarean section (C-section) be performed, and under what circumstances?

A

A cesarean section (C-section) might be performed during the expulsion stage if the infant doesn’t get enough oxygen, a condition called dystocia. This is to ensure a safe and timely delivery via surgery.

37
Q

What happens during the placental stage of labor, and what is delivered during this stage?

A

During the placental stage of labor, the placenta and membranes (afterbirth) are delivered. This stage follows the delivery of the infant and involves the separation and expulsion of the placenta from the uterus.

38
Q

What causes heartburn in many pregnant women?

A

The uterus crowds the stomach.

39
Q

Why do pregnant women often experience constipation?

A

Decreased mobility of the digestive tract.

40
Q

What are some common respiratory issues during pregnancy?

A

Nasal stuffiness and difficulty breathing.