Chapter 11 - Male Reproductive System Flashcards
motile
able to move
seminal vesicles
secrete material to help the sperm move
ejaculatory duct
leads to the prostate gland and the urethra.
prostatic fluid
provides a milky color to semen and helps the sperm move.
Identical twins
the result of one ovum’s splitting after it has been fertilized by a single sperm.
Fraternal twins
the result of two sperm fertilizing two ova.
Cowper’s gland/ bulbourethral gland
After William Cowper (1666–1709), English anatomist; One of two glands below the prostate that secrete a fluid to lubricate the inside of the urethra.
ejaculation
Expulsion of semen outside the body.
epididymis
Group of ducts at the top of the testis where sperm are stored.
flagellum
Tail at the end of a sperm that helps it move.
foreskin
Flap of skin covering the glans penis; removed by circumcision in many cultures.
glans penis
Sensitive area at the tip of the penis.
penis
Male reproductive part that covers the urethra on the outside of the body.
perineum
Area between the penis and the anus.
prostate gland
Gland surrounding the urethra that emits a fluid to help the sperm move and contracts its muscular tissue during ejaculation to help the sperm exit the body.
scrotum
Sac outside the body containing the testicles.
semen
Thick, whitish fluid containing spermatozoa and secretions from the seminal vesicles, Cowper’s glands, and prostate; ejaculated from the penis.
sperm
male sex cell that contains chromosomes.; spermatozoon (pl., spermatozoa)
spermatogenesis
Production of sperm.
testis (pl., testes)
One of a pair of male organs that produce sperm and are contained in the scrotum; testicles
testosterone
Primary male hormone.
vas deferens
Narrow tube through which sperm leave the epididymis and travel to the seminal vesicles and into the urethra.
andr(o)
men
balan(o)
glans penis
epididym(o)
epididymis
orch(o), orchi(o), orchid(o)
testes
prostat(o) prostate gland
prostat(o) prostate gland
sperm(o), spermat(o) sperm
sperm(o), spermat(o) sperm
AIH
artificial insemination homologous