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______ secrete sex hormones.
Gonads
Female reproductive organ
Ovary
Female reproductive cell
Ovum
Male reproductive organ
Testicle
Male reproductive cell
Sperm
Ovaries secrete ____ and _____.
Estrogen
Progesterone
____ secrete testosterone.
Testes
What are two types of sex hormones?
Androgens
Estrogens
What hormone is responsible for ovarian follicle development and ovarian estrogen production?
Follicle-stimulating hormone
What hormone plays a role in spermatogenesis regulation?
Follicle stimulating hormone
Luteinizing hormone is responsible for ____ and _______ maintenance.
Ovulation
Corpus luteum
The _ cell is responsible for testosterone synthesis and is related to ___ hormone.
Leydig
Luteinizing
___ is made up of corpus cavernosum aka ____.
Penis
Erectile tissue
Connects the urinary bladder to the male external genitalia
Urethra
The ____ is the external sac that regulates temperature and contains the ______ and _____.
Scrotum
Testes
Epididymis
The ______ is the site of spermatogenesis and sex hormone production.
Testes
Where do sperm mature?
Epididymis
The vas deferens connects the ______ to the _________ and helps with sperm maturation and storage.
epididymis
urethra
The ____ alkalinizes the sperm to survive the acidic environment of the vagina.
Prostate
The seminal vesicle ________.
Produce nutrients that help sperm survive after ejaculation.
How long can sperm live in the female reproductive tract?
24-38 hours
The average volume of sperm is ____ mL.
2.5-3.5
Describe the pathophysiology of an erection.
Arousal --> PNS --> NO released --> cGMP increased --> penis arteries vasodilate --> arteries fill with blood
Describe the pathophysiology of ejaculation
Sacral spinal cord emits sympathetic impulses
What is emission?
movement of semen into the urethra--sensation of fullness heightens sexual stimulation
Describe the pathway of testosterone production
Hypothalamus --> GnRH --> pituitary --> LH --> testes --> testosterone
Negative feedback if testosterone is too high
What is the principal secreted androgen in the male body?
Testosterone
Name 3 functions of testosterone.
Sex organ development
Sex characteristics at puberty
Sperm production
____ is the inferior region of the birth canal and is also the passageway for sloughed endometrium.
Vagina
The region of uterus from the isthmus to vaginal termination is known as the ____.
cervix
The region between the fallopian tubes and cervix is known as the _______.
Uterus
Also known as the womb
What produces estradiol, androgen, and progesterone?
Follicle
A follicle is a ________.
Gamete enclosed with a sac of cells
Describe the pathway for estrogen production
Hypothalamus --> GnRH --> pituitary --> FSH --> estrogens
Negative feedback if estrogen levels are too high
List the common sources of estrogen production in pre-menopausal women.
Ovaries (main)
Adrenal gland
Adipose tissue
List the common sources of estrogen production in post-menopausal women.
Adipose tissue
Adrenal gland
List the functions of estrogen.
Sex organ development
Sex characteristics at puberty
Pregnancy maintenance
Bone strength
Blood clotting
Progesterone is secreted by _______
Corpus luteum of the ovary
Name two functions of progesterone.
Decrease GnRH pulses (transition between phases in the menstrual cycle)
Pregnancy maintenance
List the 4 changes that females go through during puberty.
Adrenarche
: secretion of adrenal androgens
Thelarche
: breast development
Pubarche
: pubic hair development
Menarche
: first period
What is the age range for a female to go through puberty? Approximately how long does puberty last?
8-13 years
2 years
Describe the stages of puberty for men.
1
: Pre-adolescence
2
: Teste enlargement
3
: Penile enlargement
4
: Penis growth
5
: Adult genitalia
At what age do males go through puberty?
9-14 years
Describe the stages of puberty for women.
1
: Pre-adolescence
2
: Breast buds
3
: Breast enlargement
4
: Areola projection
5
: Adult breasts
Describe the physical/hormonal changes that occur during menopause.
Decreased estrogen formation
Unresponsiveness to gonadotropins
Decreased gonadotropin function
Uterine and vaginal atrophy
Author
rclee06
ID
194562
Card Set
Men/Women
Description
Lecture 1
Updated
2013-01-23T02:23:22Z
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