1. Veins draining the lips of the vulva
   "The medical textbook contained detailed illustrations of the vena labialis";
   - labial vein
    
2. A vein draining the lips of the mouth
   "The vena labialis was visible through her pale skin";
   - labial vein

Type of: vein, vena, venous blood vessel

Part of: lip, vulva

Encyclopedia: Vena labialis