| helicine | <anatomy> Curled; spiral; helicoid; applied especially. To certain arteries of the penis. Source: Websters Dictionary (01 Mar 1998) |
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| helicine arteries of the penis | The coiled terminal branches of the deep and dorsal arteries of the penis. Parasympathetic stimulation causes them to uncoil, allowing blood at arterial pressure to fill the cavernous tissue causing erection. Synonym: arteriae helicinae penis. (05 Mar 2000) |