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