term1 Definition1term2 Definition2term3 Definition3
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gamete
Reproductive cell (ovum or sperm) that contains one-half of the chromosomes required to produce an offspring of the species
libido
Psychological and physical drive for sexual activity
semen
Fluid containing sperm and secretions from the prostate and other structures of the male reproductive system; also called seminal fluid
sphincter
Ringlike muscle that opens and closes a body opening to allow or restrict passage through the structure
testosterone
Androgenic hormone responsible for the development of the male sex organs, including the penis, testicles, scrotum, and prostate. Also plays an important role in libido and secondary sex characteristics.
testes(or testis, singular)
produce the hormone testosterone and are located in an external sac called the scrotum
scrotum
external sac that contains the testes
seminiferous tubules
numerous small tubes that twist and coil as well as produce sperm(male gamete)
epididymis
single, tightly coiled tube lying on superior surface of each testis; stores sperm after it leaves the seminiferous tubules and also the first duct through which sperm passes after its production in the testes. Forms the vas deferens(seminal duct) as it traces upwards.
vas deferens
A narrow tube that passes through the inguinal canal into the abdominal cavity, estending over the top and down the posterior surface of the bladder where it joins the seminal vesicle.
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