helicine artery

noun
hel·​i·​cine artery | \ ˈhel-ə-ˌsēn- How to pronounce helicine artery (audio) , ˈhē-lə-ˌsīn- How to pronounce helicine artery (audio) \

Medical Definition of helicine artery

: any of various convoluted and dilated arterial vessels that empty directly into the cavernous spaces of erectile tissue and function in its erection