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Testes


testes
male reproductive organs that produce sperms; contrast to ovary; singular, testis
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Testes are suspended outside the abdominal cavity by the scrotum, a pouch of skin that keeps the testes close or far from the body at an optimal temperature for sperm development.
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Testes appeared in heraldry in the arms of the Neapolitan family of Coglione: per fess argent and gules, three pairs of testicles counterchanged.[3]
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See also ...
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testes: endocrine glands that secrete androgens; the male reproductive organs located in the scrotum.
thalamus: a portion of the forebrain that integrates sensory impulses.
theory: a hypothesis that is confirmed through repeated experimentation.
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The testes and their coverings
The ductus deferens
The vesiculae seminales
The ejaculatory ducts
The penis
The prostate
The bulbourethral glands ...
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(plural: testes) [ L. testis - a witness, testicle]. The male gonad; where mature spermatozoa develop within the seminiferous tubules (mammals) or sperm lobes (insects) . Synonym: testicle.
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testis pl. testes
[Gk. testicle]
The male reproductive organ, or gonad, in which sperm and reproductive hormones are produced.
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In males the testes secrete the major androgen, testosterone. Synthesis of this hormone increases significantly at puberty, when it is responsible for adult sexual development.
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A cell type in the testes of male vertebrates that gives rise to primary spermatocytes by mitosis.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Teratoma Tertiary structure, of protein Tesla Test cross[monohybrid] [dihybrid] Testes, human Testosterone TetanusSustained maximal contraction of a muscle.
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In sequencing >600 clones from a human testes cDNA library, Michael Jones (Cambridge University) found that 3% were identical to known genes and 70% novel.
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scrotum The pouch that contains the testes in most mammals.
scrub typhus Rickettsial disease transmitted by certain chigger mites.
scuba (self-contained underwater breathing apparatus) The use of tanks of compressed air for breathing underwater.
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Spermatogenesis occurs in seminiferous tubules in testes.
The cell that undergoes meiosis is a primary spermatocyte.
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Epididymis coiled tubules found within the scrotum that store sperm and are the site of their final maturation
(epi = upon over; didym = testes) ...
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