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a.1.(Anat.) Curled; spiral; helicoid; - applied esp. to certain arteries of the penis.
References in periodicals archive ?
It can also identify the presence and site of cavernous artery fistula (ruptured helicine artery) in nonischaemic priapism (3).
1, 2) Following sexual stimulation, nNO and eNO, are released in the corpora cavernosa of the penis to activate the enzyme guanylyl cyclase that leads to the transformation of guanosine monophosphate (GMP) into cyclic GMP (cGMP), which triggers both; relaxation of the helicine arteries and constriction of veins resulting in erection.
These helicine arteries empty into blood spaces (sinusoids) in this spongy tissue.