Chapter 28 The Female Reproductive System
The presence of a fluid-filled antrum is first evident in _____ follicles
tertiary
The production of the female haploid gamete is called ______
oogenesis
Place the phases of the menstrual cycle
menstrual phase
proliferative phase
secretory phase
premenstrual phase
Identify the structures responsible for hormonal control of the sexual cycle
hypothalamus
ovaries
pituitary gland
List, in order, the phases of the ovarian cycle
follicular phase
ovulation
luteal phase
The average length of the sexual cycle each month is _____ days
28
The phase of the ovarian cycle that extends from ovulation to the start of menstruation is the _____ phase
luteal
Identify the main event(s) of the secretory phase of the menstrual cycle
growth of stratum functionalis due to the accumulation of fluid/mucus
A single human egg, or ovum, may also be referred to as an
oocyte
Rank the series of hormonal events starting with menstruation that results in ovulation
FSH causes follicular development
follicles release estrogen
estrogen triggers release of LH
LH triggers ovulation
The process of ____ that occurs about day 14 of the ovarian cycle includes the rupturing of the mature follicle and the release of its egg and surrounding cells
ovulation
The _____ phase of the menstrual cycle is characterized by discharge of fluid from the vagina and marks the first day of a new cycle
menstrual
The _____ phase of the uterine cycle involves the rebuilding of the stratum functionalis of the endometrium via mitosis
proliferative
A _____ follicle consists of a single layer of cuboidal cells surrounding a large primary oocyte
primary
Identify the four uterine phases of the menstrual cycle
menstrual phase
proliferative phase
premenstrual phase
secretory phase
Estrogen has multiple effects. Choose two effects of this hormone
Inhibition of GnRH release
Upregulation of FSH, LH, and estrogen receptors in dominant follicle
As an egg undergoes ogenesis, the single layer of squamous cells that surround the egg undergo _______
folliculogenesis
A _____ follicle consists of a layer of flattened epithelial cells surrounding a primary oocyte in early meiosis
primordial
The transformation of a ruptured follicle into a corpus luteum is regulated by _____ hormone
luteinizing
List in order, starting with hypothalamus, the organs in the hierarchy of hormonal control involved in the sexual cycle
pituitary
ovaries
uterus
An egg cell at any stage from primary oocyte through fertilization can be referred to as an
ovum
During the uterine cycle, the last 2 days are the _____ phase
premenstrual
Identify the normal components of menstrual fluid
blood
serous fluid
necrotic endometrium
The ovarian stem cells that give rise to oocyte are called
oogonia
Identify three hormones secreted by the corpus luteum
progesterone
estradiol
inhibin
An egg cell at any haploid stage between meiosis I and fertilization is known as a secondary _____
oocyte
The hormone _____ triggers a release of lutenizing hormone which in turn triggers ovulation at the end of the follicular phase of the ovarian cycle
estrogen
The layer of cells that surrounds the zona pellucida and the oocyte in tertiary and mature follicles is called the
corona radiata
During the menstrual cycle, the drop in levels of the hormone ______ most directly triggers events leading to menstruation
progesterone
Stratified follicular cells surrounding an oocyte are called ______ cells
granulosa
The fluid filled cavity found in tertiary and mature follicles is called the _____
antrum
The hormone that stimulates mitosis of the stratum basalis in order to rebuild the stratum functionalis is
estrogen
The follicles in the final stage of development before ovulation are called _____ follicles
mature
Estrogens are secreted by ______ cells of the antral follicles
granulosa
True or false: the first polar body produced during meiosis I will result in a viable daughter cell
false
Which of the following defines atresia?
process of egg cell degeneration
After the involution of the corpus luteum, the inactive bit of scar tissue that remains is known as the corpus ______
albicans
Cells of the corpus luteum are called ____ cells
lutein
______ are the developing female gametes as they progress through meiosis I
primary oocytes
The menstrual cycle entails
monthly changes to the lining of the uterus
During follicular development the _____ follicle out paces all others undergoing development and will be ovulated
dominant
After an egg has been ovulated, the remnants of the follicle form a structure within the ovary called the _____
corpus luteum
The _____ is capable of secreting estradiol, progesterone, and inhibin
corpus luteum
Decreasing levels of ____ hormone leads to involution of the corpus luteum
luteinizing
The point upon the surface of the ovary where ovulation will occur is called the ______
stigma
If meiosis II of oogenesis completes, the small nonviable daughter cell that is formed is the
second polar body
The theca folliculi surrounds a _____ follicle
secondary
The series of monthly changes that occur within the female gonads are referred to as the
ovarian cycle
The glycoprotein layer secreted by the granulosa cells that surrounds the oocyte of secondary follicles is called the
zona pellucida
The _____ surrounds the oocyte ad secures it to the wall of a tertiary follicle
cumulus oophorus
During oogenesis, the large daughter cell that results after meiosis I is completed is called a _____ oocyte
secondary
The formation of the ____ polar body occurs only if the gamete cells is fertilized
second
The ovarian cycle entails
monthly series of events leading to development of follicles
The mound of granulosa cells containing the oocyte located at the edge of the antrum of tertiary and mature follicles is called the
cumulus oophorus