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单词 epithelium
释义

Definition of epithelium in English:

epithelium

nounPlural epithelia ˌɛpɪˈθiːlɪəmˌɛpəˈθiliəm
mass nounAnatomy
  • 1The thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures.

    Example sentencesExamples
    • Breakdown of the corneal epithelium increases the risk of stromal surface infection.
    • Each tonsil has an irregular number of ingrowths of the surface epithelium known as tonsillar crypts.
    • The lining epithelium was often eroded, and the underlying stroma showed dense infiltration by inflammatory cells.
    • A flattened layer of epithelium was seen lining the cyst in certain areas.
    • Eighty-five percent of human ovarian tumors arise from the epithelium or surface layer of tissue that surrounds the ovaries.
    1. 1.1 The part of the epithelium derived from embryonic ectoderm and endoderm, as distinct from endothelium and mesothelium.

Origin

Mid 18th century: modern Latin, from epi- 'above' + Greek thēlē 'teat'.

Rhymes

berkelium, helium, nobelium, Sealyham
 
 

Definition of epithelium in US English:

epithelium

nounˌepəˈTHēlēəmˌɛpəˈθiliəm
Anatomy
  • 1The thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures.

    Example sentencesExamples
    • Eighty-five percent of human ovarian tumors arise from the epithelium or surface layer of tissue that surrounds the ovaries.
    • Each tonsil has an irregular number of ingrowths of the surface epithelium known as tonsillar crypts.
    • The lining epithelium was often eroded, and the underlying stroma showed dense infiltration by inflammatory cells.
    • Breakdown of the corneal epithelium increases the risk of stromal surface infection.
    • A flattened layer of epithelium was seen lining the cyst in certain areas.
    1. 1.1 The part of the epithelium derived from embryonic ectoderm and endoderm, as distinct from endothelium and mesothelium.

Origin

Mid 18th century: modern Latin, from epi- ‘above’ + Greek thēlē ‘teat’.

 
 
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更新时间:2024/12/25 0:33:47