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Jay Cardio Jay Cardio
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6 years ago
During spermatogenesis, testosterone is produced by the
 
  a. spermatogenic cells c. Leydig cells
  b. seminal vesicles d. germ cells
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wrote...
6 years ago
C
At puberty, testicular endocrine cells, called Leydig cells, or interstitial cells, increase in number and begin to produce testosterone, which initiates spermatogenesis. Seminal vesicles secrete a thick viscous fluid that forms a part of semen.
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