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Male functions
Latent development (at puberty)
essential for survival of species
produce gametes (sperm)
produce male hormone (secondary sexual characteristics)
not essential for life
enhance the quality of life
Primary organ
testes
Ducts
Epididymis
vas deferens
ejaculatory duct
urethra
glands
prostate
seminal vesicle
urethra
Tunica Albuginea
outer layer of the testes
Septa
fascia is separated into tubes
seminiferous tubules
1-3 are located in each lobule
location for sperm development by the meiosis of spermatogenesis
tubules are soil cords until puberty when the develop lumens
tubules empty into
Interstitial cells
produce hormone (outer layer)
Spermatogenesis
FHS (follicle stimulating hormone) from pituitary
Testosterone from leydig (interstitial) cells of testes
secretion from Sertoli cells
Subtentacular cells of testes
nourishing development
testes barrier
establish blood
Sperm
23 chromosomes (not pairs)
Head of sperm
Nucleus
Acrosome (lysosome)- will puncture female egg
Mid-piece of sperm
base of tail
Mitochondria (produces ATP because they have a long journey)
Tail of sperm (push sperm to swim
long flagellum
Cremaster muscle
skeletal muscle
contracts and pulls the ball close to the body to warm up the testes
relaxes and drops the ball to cool down the testes (to stay away from the body)
Dartos muscle
smooth muscle
located in the scrotal wall
when cold contracts and creates wrinkles to help warm up
when hot relaxes and helps to cool down the testes
upper abdomen
place of development for testes
Spermatic cord
Vas deferens
Testicular artery
Papiminiform plexus of penis
illoinguinal nerve
cremaster muscle
Epididymis
Mature sperm- stored for approximately 20 days
Recycle the damaged sperm
Vasectomy
to tie the Vas Deferens
Male urethra
Prostatic Urethra
Membranous Urethra
Penile Urethra
Prostate gland
located below the bladder
secretes a milky white fluid that makes up 40% of semen
seminal vesicle
located behind the bladder
secretes a yellow fluid that makes up about 60% of semen
Bulbourethral gland (cowper’s gland)
located in the urogenital diaphragm
secretes prior to ejaculation
shaft has 3 cylinders
2 corpus cavernosa
1 corpus songiosum
sperm journey
epididymis
vas deferens
ejaculatory duct
prostate urethra
membranous urethra
penile urethra
testes
produce sperm
produce hormone
formation of ejaculatory duct
vas deferens and seminal vesicle
Note 
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