Examlex
Explain why different RNA polymerases transcribe specific genes and only those genes.
Glans Penis
Conical expansion of the corpus spongiosum that forms the head of the penis.
Corpora Cavernosa
A pair of sponge-like regions of erectile tissue, which contain most of the blood in the penis during an erection.
Ejaculatory Duct
A duct through which semen is ejaculated, connecting the vas deferens and the urethra inside the prostate gland.
Prostatic Urethra
The portion of the urethra that passes through the prostate gland, carrying urine out of the bladder in males, and semen during ejaculation.
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