Human reproduction Flashcards
what is the male primary sex organ
the testes
name the 3 male ducts
- epididymis
- sperm duct
- urethra
name 3 functions of the prostate gland
- adds fluid
- maintains pH
- nutrition for sperm
male accessory gland
Prostate glands
describe the scrotum
thin-skilled sac that contains the testes
function of the scrotum
- regulates temp
- houses and protects
formal names for compartments found in testes
lobules
what does highly convuluted mean
long and winding
what are the seminiferous tubules lined by
germinal epithelium
name of the endocrine cells found between the tubules
interstitial cells
what 2 things do testes produce
sperm and testosterne
what produces the sperm
germinal layer
what produces the testosterone
interstitial cells
explain how the urethra is considered to be a common duct
it excretes 2 things, semen and urine
what joins to form the epididymis
seminiferous tubules
what is the function of the epididymis
a place for immature sperm to mature
function of sperm ducts
ejaculation, responsible for the peristaltic waves
function of the prostate
secretes fluid to transport the sperm
biologically explain an erection
dilation of arteries supplying blood to penis (allows more blood to flow there)
what is inculede in semen
seminal fluid and sperm
how long can sperm survive in the female reproductive system
48 hours
where does sperm receive nourishment
- seminal fluid
- female secretions
name the accessory organs of the FRS
fallopian tubes, uterus, vagina
the external genitalia of the FRS
vulva
describe the shape of ovaries
almond
what surrounds each overy
germinal epithelium
function of the ovaries
- forms and releases egg
- produces estrogen and progesterone
where do the fallopian tubes span from
ovary to uterus
the function of the fallopian tubes
enables egg or developing zygote to move towards the uterus
describe the shape of the uterus
hollow, pear shaped
the function of the cervix
protects the vagina
what is myometrium
involuntary muslce layer
what is the endometrium
layer linied richly with blood vessels
in which organ does the blastocyst implant, develop and grow
the uterus
2 purposes of the vagina
- site where sperm is deposited
- birth canal
what does puberty lead to
development of secondary sexual characteristics
age that girls begin puberty
11-14
age that boys begin puberty
14-16
what hormone does the pituitary gland secrete that stimulates the start of puberty
gonadotrophin
what 2 hormones do the ovaries release
oestrogen and progesterone
what hormone do the testes release
Testosterone
