Unit 15

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Luteal phase of menstruation

Corpus luteum is formed, secretion of estrogen continues and a large amount of progesterone is secreted

The granulosa cells of developing follicles work with thecal cells to produce

Estrogens

What is not produced by the ovary? estrogen ova progesterone FSH inhibin

FSH

A rise in the blood levels of follicle-stimulating hormone at the beginning of the ovarian cycle is responsible for

Follicle maturation

Rupture of the mature follicle results in

Ovulation

The surge in luteinizing hormone that occurs during the middle of the ovarian cycle triggers

Ovulation

Which ovarian structure remains in a state of suspended development until the individual reaches puberty?

Primary oocyte

Menstruation is triggered by a drop in the levels of

Progesterone

Which is the resulting event if fertilization does not occur?

The corpus albicans is formed.

following ovulation, the remnants of the ovulated follicle enlarge and become a

corpus luteum

secondary oocyte does NOT occur unless

fertilization occurs

Fimbrae

finger-like projections that accept the egg from the ovary to the Fallopian tubes

menses (menstruation)

functional layer of endometrium of uterus is destroyed and expelled

the female reproduction cycle is regulated by

hypothalamus-pituitary-ovarian axis

Secretion of Progesterone

prepares endometrium for possible implantation

mature follicle

primary oocyte matures and develops into a secondary oocyte prior to ovulation

The primary follicle develops from the

primordial follicle

The principal hormone secreted by the corpus luteum is

progesterone

the corpus luteum will resume estrogen secretion and begin secreting

progesterone (controls second half of menstrual cycle)

During the luteal phase of the ovarian cycle, __________.

progesterone secretion by the corpus luteum stimulates endometrial growth and secretion

The secretion of estrogen causes

regrowth of the functional layer of the endometrium

Follicular phase of menstruation

rise in FSH causes maturation of follicles in ovarian cortex

perimetrium

serosa continuous with broad ligament

functional layer of endometrium

sloughed off during menses

If fertilization of the secondary oocyte occurs,

the embryo begins development within the uterine tube and then implants into the endometrium

menarche

the first menstrual period

Fertilization of an ovum usually takes place in the

uterine tube

basal layer of endometrium

where endometrium rethickens

The embryo secretes ____________ ___________, and analog of LH that maintains the corpus luteum

Chorionic Gonadotropin

Which is true regarding menses?

It marks the beginning of the uterine cycle

Rupture of the mature follicle is triggered by

a feedback mechanism causing a large surge of luteinizing hormone

oogonia are the germ cells that by the time of birth,

differentiate into primary oocytes that will undergo meiosis

Theca of the secondary follicle is involved in

endocrine signaling and once matured, secretes inhibin

primary follicle

enlarged primary oocyte surrounded by 1 or more layers of granulosa cells

Maturing follicle increases secretion of

estrogen

developing oocytes are housed in

ovarian follicles

endometrium

inner lining of the uterus

myometrium

involved in parturition; undergoes cell growth and cell division during pregnancy

The thick muscular layer of the uterus is the

myometrium


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