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testosterone at biology dictionary

Seminiferous tubules

...called interstitial cells (Leydig cells ) where testosterone and other androgens are formed. [edit] Testicular size ... Full article >>> The walls of the seminiferous tubules consist of diploid spermatogonia , stem cell s that are the precursors of sperm . Spermatogonia divide by mit...

Karyotype

...veral different genetic alterations in pathways of testosterone synthesis and metabolism . Full article >>> (See Selectable marker .) Karyotype . All of the chromosomes in a cell or an individual organ ism, visible through a microsope during cell division . L Lag phase . Full article ...

Interstitial cells

...ous tubules of the vertebrate testis that secrete testosterone and other androgens , the male sex hormones . Full article >>> testosterone Male sex hormone secreted by the interstitial cells of the testes . Tethys Sea A shallow sea th...

Hormones

... collective name for male sex hormones including testosterone (andro = a man; gen = bear produce) Aneuploidy having an abnormal number of chromosomes (aneu = without; ploid = set of chromosomes ) ... Full article >>> any of a group of male sex hormones Source: Noland, George B. 1983. Gen...

Cells

...ous tubules of the vertebrate testis that secrete testosterone and other androgens , the male sex hormones . interstitial fluid ... Full article >>> Cells regulate the activity of genes in part by increasing or decreasing their rate of transcription . Full article >>> B cells ...

Androgens

... collective name for male sex hormones including testosterone (andro = a man; gen = bear produce) Aneuploidy ...ous tubules of the vertebrate testis that secrete testosterone and other androgens , the male sex hormones . interstitial fluid ... Full article >>>...
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