Chapter 17: Structure and Function of the Female Reproductive System Flashcards
the female reproductive system is a group of organs and glands that produce _____ (singular _____), or egg cells (female sex cells)
ova; ovum
the _____ (also known as the female _____) are two small, solid, oval structures in the pelvic cavity that produce _____ and secrete female hormones.
ovaries; gonads; ova
the the monthly cycle of egg production, one ovary usually releases only one mature ovum. In most women, the ovaries alternate this release, called _____, each month.
ovulation
within the ovaries are sex cells, also known as _____.
gametes
before released from an ovary, the cells develop in a part of the ovary called the _____ _____.
graafian follicle
these sex cells have the potential to become fertilized and develop. In their immature stage, they are called _____
oocytes
once mature (normally 5-7 days), they are known as ova. The ovum is then released from the graafian follicle to the _____ _____ or ____ ____, the tube that leads from each ovary to the uterus.
uterine tube; fallopian tube
the _____ is the female reproductive organ in which a fertilized ovum implants and develops.
uterus
when the ovum is not fertilized, the lining of the uterus is released during the monthly cycle, known as _____.
menstruation
at the end of its development, the infant is born through the ______, or birth canal (the canal leading from the uterus to the vulva), in a routine delivery.
vagina
sometimes the infant is delivered surgically through the abdomen in a _____ _____.
caesarean delivery.
the female breast, the ____ ____, is also part of the female reproductive system as an accessory organ, providing milk to nurse the infant (lactation) after birth
mammary gland
female reproduction is controled by hormones, such as _____ and _____
estrogen; progesterone
at birth, most females have A LOT of immature ova (oocytes) in each ovary. Many of these disintegrate before the female reaches _____, the stage at which ovulation and _____ (first menstrual flow or _____) occurs (usually between 10 or 14 years of age).
puberty; menarche; menses
_____ is the cyclical release of the uterine lining usually occurring every 29 days.
menstruation
most women menstruate monthly (except during pregnancy) for about 30 to 40 years. ______ signals the end of the ovulation.menstruation cycle and therefore, the end of the childbearing years.
menopause
after release, the ovum next enters one of the two uterine, or fallopian, tubes, which have fingerlike end calle _____ that sweep the ovum further down int the tube, where it may be fertilized by a sperm.
fimbriae
once inside the uterus, a fertilized ovum attaches to the uterine wall, where it will be nourished for about 40 weeks of development (_____).
gestation
the upper portion of the uterus, the _____, is where a nutrient-rich organ (the _____) grows in the uterine wall.
fundus; placenta
the middle portion of the uterus is called the _____.
body
the body of the uterus leads to a narrow region, the _____.
isthmus
the neck, or lower region, of the uterus is the _____, a protective body with glands that secrete mucous substances into the vagina.
cervix
the opening of the cervical canal into the vagina is called the _____ _____.
cervical os
the vagina has small transverse folds called _____ than can expand to accomodate an erect penis during intercourse or the passage of a baby during childbirth.
rugae
a fold of mucous membranes, the _____, partially covers the external opening (_____) of the vagina.
hymen; introitus
the uterus is made up of three layers of tissue: the _____, the outer protective layer of membranous tissue.
perimetrium
the _____, the middle layer of the uterus tissue layers. Which is really three layers of smooth muscle that move in strong downward motions
myometrium
and the _____, the inner mucous membrane of the uterus. Deep and velvety, has an abundant supply of blood vessels and glands, and is built up and broken down during the ovulation/menstruation cycle.
endometrium
the external genitalia, collectively known as the _____, consist of a mound of soft tissue the _____ _____, which is covered by pubic hair after puberty.
vulva; mons pubis
two folds of skin below the mons pubis, the ____ ____, form the borders of the vulva.
labia majora
between the labia majora lie two smaller skin folds, the ____ ____, which merge at the top to form the ____, the primary female organ of sexual stimulation.
labia minora; clitoris
the ____ ____ are embedded in the vaginal tissue near the vaginal os. The duct from those glands is located between the labia minora. The glands produce a lubricating fluid that bathes the vagina and surrounding vulva.
Bartholin’s glands
the space between the bottom of the labia majora and the anus is called the _____.
perineum
during pregnancy, hormones stimulate the _____ (milk-producing ducts and _____ that transport milk to the _____ (or mammary papilla).
lactiferous; sinuses; nipple
the dark-pigmented area surrounding the nipple is called the _____.
areola
after birth (_____), the mammary glands experience a let-down reflex, which allows milk to flow through the nipples (lactation) when the infant suckles.
parturition
amni/o
amnion
cervic/o
cervix
colp/o
vagina
episi/o
vulva
galact/o
milk
gynec/o
female
hyster/o
uterus
lact/o, lacti
milk
mamm/o
breast
mast/o
breast
men/o
menstruation
metr/o
uterus
oo
egg
oophor/o
ovary
ov/i, ov/o
egg
ovari/o
ovary
stimulates development of female sex characteristics and uterine wall thickening; source is ovarian follicle and corpus luteum
estrogen
hormone that stimulates uterine wall thickening and formation of mammary ducts; source is the corpus luteum
progesterone
hormone that promotes lactation; source is the pituitary gland
prolactin
hormone that stimulates labor and lactation; source pituitary gland
oxytocin
hormone that stimulates oocyte maturation; increasing estrogen; source is the pituitary gland
FSH (follicle-stimulating hormone)
hormone that stimulates estrogen and progesterone from corpus luteum; source is placenta and embryo
HCG (human chorionic gonadotropin)
day 1-5. _____ takes place during the first 5 days. The _____ lining sloughs off and is released, causing generally slow bleeding through the vagina.
menstruation; endometrial
day 6-12. The _____ is released from the anterior pituitary.
FSH
days 13-14. ovulation takes place, or the egg’s release from the follicle and the beginning of its trip down the fallopian tube. This release is stimulated by the pituitary’s release of _____, which promotes the fimbriae to swell and wave to entice the newly released ovum toward the fallopian tube.
Luteinizing hormone (LH)
meanwhile the follicle fills with a yellow substance that secretes estrogen and progesterone. This secreting structure is known as the _____. encourages uterus to prepare for pregnancy.
corpus luteum
prevention of fertilization is accomplished with _____.
contraception
contraceptive devices include the ____ ____, _____ (both male and female), _____, _____, or _____
contraception; intrauterine device (IUD), condom; spermicide; diaphragm; sponge
_____ occurs after child-bearing years, when the reproductive hormones begin to decline, usually between the ages of 45 and 55. These changes can cause irregular menses, before periods stop altogether.
menopause
common symptoms of menopause
irregular periods, decreased fertility, hot flashes, sleep disturbances, night sweats, mood swings, increased abdominal fat, thinning hair, vaginal dryness, loss of breast fullness