male reproductive system | gen bio ii

naloloka ako sa dami ng terms dito hahahaha eme

scrotum

a pouch of skin that protects and holds the testes outside the body; maintains lower temperature for sperm development

scrotal tissue

contracts in absence of sufficient heat by pulling testes closer to body

penis

delivers sperm into the vagina during ejaculation

urethra

runs the length of penis, from bladder to meatus

flaccid

the ____ penis fills with blood during arousal causing an erection and allowing for the function of copulation

foreskin

protects against foreign bodies from entering the urethra; this can be circumcised or removed for hygiene or religious reasons

testes

produces sperm and male hormones (testosterone)

epididymis

found at the back of the testes wherein the sperm are stored temporarily

vas deferens

muscular tubes that conducts sperm from testes to urethra

seminal vesicles

produce a slightly alkaline fluid that mixes with sperm and become part of semen ejaculate during the male orgasm; fluid protects sperm from the acidity of urethra

semen

mixture of fluid produced by the male sex glands & sperm

prostate gland

also secretes alkaline fluid that mixes with sperm as part of the semen; enlargement (benign prostatic hyperplasia) obstructs flow of urine through urethra

Cowper’s/bulbourethral glands

produce another mucus-alkaline secretion in the urethra excreted from glands just before ejaculation

sperm

the male reproductive cell

head, midpiece, tail

parts of the sperma

head

carries genetic material as it contains the nucleus

acrosome

covers head and contains enzymes that penetrate ovum

midpiece

supplies energy as it contains the mitochondria

tail / flagellum

provides motility

Bartholin’s gland

provides lubricant for women