penis- wet dreams Flashcards
function of the penis
deliver sperm to the female reproductive tract (vagina)
erectile tissue (structure and “function”)
filled with blood (vascular) during an erection (holes fill)
impotence
no erection
what is the foreskin
extra fold of skin around the penis
circumcision
surgical removal of foreskin
reasons for circumcision
hygienic and religious reasons
smegna
result of bacterial growth under foreskin, cheesy (dark, damp, hot conditions)
what glands are found in the foreskin
oil glands
what 3 conditions have to be present to get smegna
dark, damp, hot conditions
scrotum
sack which hold the testes
location of scrotum
suspended from groin
what happens to the scrotum at an early age
2 mos before birth, it falls into abdominal cavity
how long into pregnancy does a boys scrotum fall
7 months
why does the scrotum fall
because sperm are sensitive to temperature and you dont want them to ‘fry’
what effect happens when the scrotum drops (wall)
abdominal wall weakens
what can further strain cause (scrotum)
hernia
what is it called when both scrotums tear
double hernia
what are the male gonads
testes
what do the testes produce
sperm and testosterone
castration
removal of the testes
what affects does castration have
no voice change bc no testosterone
what covers the testes
sheath (tight)
testes “nickname”
oval organs
mumps
virus that attacks testes causing swelling (sterility) produces low or defective sperm
nickname for the tubules
sperm factories
what gets crushed during mumps
tubules
what can be the result of mumps
sterility
how many men get testicular cancer
3/100,000
what age do men get testicular cancer
15-35 years old
what is the male gametes
sperm
what makes sperm sensitive
temperature changes
what type of muscle is darto muscles
smooth
function if the darto muscles
moves testes up and down with temperature changes
parts of the sperm
head, nucleus, mitochondria, acrosome, flagellum
location of epididymis
on top of testes
how long is the epididymis
23 inches long
function of epididymis
stores sperm for 6 weeks, spermatogenesis
spermatogenisis
maturing of a sperm p, chromosome number from 46-23
1 immature sperm makes how many mature sperm
1 immature sperm makes 4 mature sperm
what does the epididymis continue as (turn into)
Vas deferens
what does the vas deferens turn into
ductus deferans
Vas deferens
tubes that transfer sperm
vasectomy
cutting the tubes of the male
semen
fluid and sperm released by glands
what is the PH level of Semen
7.5
is semen basic or acidic
basic
why is semen so acidic
to counteract acid from female body
what do the seminal vesicals make
fructose (monosacharid) packing lunch for sperm
how much of semen is fructose
60%
how big is the prostate gland
size of a pea
what people does prostate cancer affect
males over 50
what does the prostate gland release
milky thin alkaline solution
can you live without a prostate gland
yes
what test can let a male know if they prostate cancer is gonna happen
PSA test
what do they look for in the PSA test
protein
another name for the cowper gland
bulbourethral
job of cowper gland
release mucus> lubrication
when is mucus first released in a male
intercourse
Ejaculation
release of semen through the urethra
another name for wet dreams
nocturnal emissions
why do boys have wet dreams
the body is relaxed and extra semen is released