<prompt> Dorsal aery of penis passes beneath which layer JIPMER May 2019Colles fasciaBucks fasciaDaos layerTunica albuginea  <response>: Structure of penis:- Corpus spongiosum carry urethra - for urine excretion- Corpora cavernosa 2 in number carry blood in cavernous spaces. - help in erection of penis. Supplied by deep aery of penis.- These 3 bodies are covered by Tunica albuginea very closely.- Outside that there is deep penile fascia Bucks fascia - which encloses dorsal aery If Bucks fascia is intact, then blood urine cannot escape the penile shaft. it prevents extravasation of blood urine from penile shaft- Bucks fascia is covered by superficial fascia - Daos fascia which is continuation of colles fascia in perineum region - Bucks fascia also separates 2 veins - superficial Deep dorsal veins 