| 单词 | epitrichium |
| 释义 | epitrichium —epitrichial, adj. /ep'i trik"ee euhm/, n. , pl. epitrichiums. Embryol. the outermost layer of the epidermis in most mammalian fetuses, usually disappearing before birth. Also called periderm. [1880-85; < NL EPI- + -trichium < Gk tríchion, dim. of thríx hair (see TRICHION); so called because hair develops under it in human embryos] |
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