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25 Cards in this Set

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testis (plural: testes)
Male gonad that produces spermatozoa and the hormone testosterone; testicle
stroma
Supportive, connective tissue of an organ.
parenchymal tissue (parenchyma)
Tissue composed o the essential cells of any organ. In the testes, parenchymal tissue includes seminiferous tubules that produce sperm.
bulbourethral glands
Two exocrine glands near the male urethra.
ejaculation
Ejection of sperm and fluid from the male urethra.
ductus deferens
Vas deferens.
ejaculatory duct
Tube formed by the union of the vas deferens and the duct of the seminal vesicles, opening into the urethra at the prostate gland.
testosterone
Hormone secreted by the interstitial tissue of the testes; responsible for male sex characteristics.
Cowper glands
Bulbourethral glands.
flagellum
Hair-like process on a sperm cell that makes it motile (able to move).
epididymis (plural: epididymides)
Tube located on top of each testis; it carries and stores the sperm cells before they enter the vas deferens. Didymos is a Greek word for testis.
fraternal twins
Twins resulting from two separate, concurrent fertilizations.
interstitial cells of the testis
Cells that lie between the seminiferous tubules and produce the hormone testosterone. A pituitary gland hormone (luteinizing hormone [LH] stimulates the interstitial cells to produce testosterone.
vas deferens
Narrow tube (one on each side) that carries sperm from the epididymis into the body and toward the urethra.
identical twins
Twins resulting from the separation of one fertilized egg into two distinct embryos.
glans penis
Sensitive tip of the penis.
prepuce (foreskin)
Skin covering the tip of the penis.
perineum
Area between the anus and scrotum in the male.
semen
Spermatozoa and fluid (prostatic and other glandular secretions).
scrotum
External sac (double pouch) that contains the testes.
prostate gland
Gland at the base of the urinary bladder that secretes a fluid into the urethra during ejaculation.
seminiferous tubules
Narrow, coiled tubules in the testes that produce sperm.
seminal vesicles
Glands that secrete a fluid into the vas deferens.
spermatozoon (plural: spermatozoa)
Sperm cell.
sterilization
Any procedure rendering an individual incapable of reproduction; vasectomy and salpingectomy are examples.