epithelium
/ˌepɪˈθiːlɪəm/noun
(pl. epithelia /-lɪə/)［mass noun］
1- Anatomy the thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures【剖】上皮组织。
1.1
- more specifically, the part of this derived from embryonic ectoderm and endoderm, as distinct from endothelium and mesothelium上皮。
派生词
epithelial
adjective词源
mid 18th cent.: modern Latin, from EPI- 'above' + Greek thēlē 'teat'.