Navigation Links
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 ...
Full article >>>

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.
Full article >>>

Testes appeared in heraldry in the arms of the Neapolitan family of Coglione: per fess argent and gules, three pairs of testicles counterchanged.[3]
[edit]
See also ...
Full article >>>

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.
Full article >>>

The testes and their coverings
The ductus deferens
The vesiculae seminales
The ejaculatory ducts
The penis
The prostate
The bulbourethral glands ...
Full article >>>

(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.
Full article >>>

testis pl. testes
[Gk. testicle]
The male reproductive organ, or gonad, in which sperm and reproductive hormones are produced.
Full article >>>

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.
Full article >>>

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 ...
Full article >>>

Teratoma Tertiary structure, of protein Tesla Test cross[monohybrid] [dihybrid] Testes, human Testosterone TetanusSustained maximal contraction of a muscle.
Full article >>>

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.
Full article >>>

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.
Full article >>>

Spermatogenesis occurs in seminiferous tubules in testes.
The cell that undergoes meiosis is a primary spermatocyte.
Full article >>>

Epididymis coiled tubules found within the scrotum that store sperm and are the site of their final maturation
(epi = upon over; didym = testes) ...
Full article >>>


'"/>


See more about: Testes

TAG: Testes
Other biology dictionary
(Date:7/24/2008)...ructure Proteins (NSP), a new family of genes disc...Cancer Research and Molecular Medicine in Temple U...ld be involved in apoptosis or programmed cell dea...anli Sang, then a doctoral student at the Universi...son University and the Cardeza Foundation, and Ant...
(Date:7/24/2008)...y have reduced carbon storage in western U.S. fore...wentieth century has caused a widespread increase ...ensity of stems growing on trees within western U....ests and are thought to account for much of North ...in aboveground biomass, Fellows and Goulden compar...
(Date:7/23/2008)...ites living in three estuaries on the Pacific coas...ave determined that biomass of these parasites exc...than 20 times. , Their findings, which could hav...ns, appear in this week,s issue of the journal Na...that exists in a given habitat. It is expressed ei...
(Date:7/23/2008)... - In a study of free-living and parasitic species...rnia and Baja California, a team of researchers fr...e United States Geological Survey, and Princeton U...those habitats exceeds that of top predators, in s... could have significant biomedical and ecological ...
Breaking Biology News(10 mins):Novel structure proteins could play a role in apoptosis 2AGU journal highlights -- July 23, 2008 2AGU journal highlights -- July 23, 2008 3AGU journal highlights -- July 23, 2008 4AGU journal highlights -- July 23, 2008 5AGU journal highlights -- July 23, 2008 6AGU journal highlights -- July 23, 2008 7AGU journal highlights -- July 23, 2008 8Parasites outweigh predators in Pacific Coast estuaries 2Parasites outweigh predators in Pacific Coast estuaries 3Study shows parasites outweigh predators 2Study shows parasites outweigh predators 3Structure of 450 million year old protein reveals evolutions steps 79 1Structure of 450 million year old protein reveals evolutions steps 79 2Savanna habitat drives birds and perhaps others to cooperative breeding 74 1Savanna habitat drives birds and perhaps others to cooperative breeding 74 2Savanna habitat drives birds and perhaps others to cooperative breeding 74 3Savanna habitat drives birds and perhaps others to cooperative breeding 74 4New target for anti flu drug development 69 1New target for anti flu drug development 69 2Obesity and lack of exercise could enhance the risk of pancreatic cancer 64 1Obesity and lack of exercise could enhance the risk of pancreatic cancer 64 2
...e holiday traditions, but UT Southwestern Medical ... exercising could be deadly for the 6 million Amer... Diabetes, a metabolic disorder linked with obesit...n,t sudden, but build up over time and lead to hea...for those with undiagnosed diabetes. , "The obes...
...trogen at a surprisingly hot 92 degrees Celsius, o...ineages of organisms capable of nitrogen fixation,...y,s plants and animals rely on to fix nitrogen. ,...e of Science supports the notion that the gene nee...onverting nitrogen gas, that,s unusable by life, t...
...m, a University of California, Berkeley, scholar a...n, but the objects aren,t Renaissance paintings or...m is collecting samples from the largest and best ...n unprecedented DNA database. , These 28,000 sampl... which are quite rare - are housed at the Venice M...
...r the bacterial contamination of spinach, it is ea...ld would be without the contribution to our food s...cid-producing bacteria. Researchers from the U.S. ...GI) and the University of California, Davis, and ...uences of nine different lactic acid-producing bac...
Other Biology News:Holiday gluttony can spell disaster for undiagnosed diabetics 2Microbe fixes nitrogen at a blistering 92 C 2Microbe fixes nitrogen at a blistering 92 C 3Researchers barcode DNA of Venice museum's vast fungi collection 2Researchers barcode DNA of Venice museum's vast fungi collection 3Researchers barcode DNA of Venice museum's vast fungi collection 4Genomic comparison of lactic acid bacteria published 2