frontal lunule[昆] 额眉片
lunule e半月斑
frontal gland lunule额眉片
lunule of pulmonic valve肺动脉瓣孤缘
同义词：half-moonlunula
N（名词） the white crescent-shaped area at the base of the human fingernail 指甲弧影 (Nontechnical name half-moon)