Anatomic variability of the prostatic apex. Depending on the individual apex shape, between 10% and 40% of
the functional urethra is covered by parenchymal apex tissue. Otherwise, the prostatic apex is covered by some
muscular tissue on the ventral and rectal aspects as rudiments of embryonic and adolescent prostatic
development.
Thorsten Schlomm et al. Eur Urol 2011;2:320-329
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