名词脐，中心
1. 脐：螺轴为整个贝壳旋转的中轴,位贝壳内部中央,轴的基部遗留的小窝为脐(umbilicus),深浅不一. 有的种类由于内唇外转而形成假脐(如红螺Rapana). 口腔内常具齿舌和颚片;消化腺有唾液腺,是一种粘液腺,无消化作用;肝脏发达,为重要消化腺,
2. 脐带：Opal Archangel 蛋白石大天使像*1 10 | Umbilicus 臍帶*1 20 | Whetstone 磨刀石*1 10
3. 周壁孔：06.180 子囊孢子 ascospore | 06.181 周壁孔 umbilicus | 06.182 子囊孢子内胞 endoascospore
4. 脐,肚脐：Umbilical cord end 脐带痂 | umbilicus 脐,肚脐 | underpants 内衣裤
noun
1. umbilicus
1. a scar where the umbilical cord was attached
e.g. you were not supposed to show your navel on television
they argued whether or not Adam had a navel
she had a tattoo just above her bellybutton
Synonym: navel bellybutton belly button omphalos omphalus