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epitrichium

[ ep-i-trik-ee-uhm ]

noun

Embryology.
plural epitrichiums.
  1. the outermost layer of the epidermis in most mammalian fetuses, usually disappearing before birth.


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Other Word Forms

  • i·ٰi· adjective
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Word History and Origins

Origin of epitrichium1

1880–85; < New Latin epi- + -trichium < Greek ٰí󾱴Dz, diminutive of ٳí hair ( trichion ); so called because hair develops under it in human embryos
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Example Sentences

Examples have not been reviewed.

These last form a single superficial layer of flattened cells—the epitrichium—overlaying the cells of the Malpighian layer, which are cylindrical in shape and rapidly increase to form several layers.

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epitrachelionepitrochoid