Folded or arranged so as to form more than one layer. [G. polyptychos, having many folds or layers, fr. poly- + ptyche, fold or layer]

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poly·ptych·i·al .päl-i-'tik-ē-əl adj arranged in more than one layer <\polyptychial glandular cells>

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poly·pty·chi·al (pol″e-tiґke-əl) [poly- + Gr. ptychē fold] arranged in several layers; said of glands whose cells are arranged on the basement membrane in several layers. Cf. monoptychial.

Medical dictionary. 2011.

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  • monoptychial — Arranged in a single but folded layer, as the cells in the epithelium of the gallbladder or certain glands. [mono + G. ptyche, fold] * * * mono·pty·chi·al (mon″o tiґke əl) [mono + Gr. ptychē fold] arranged in a single layer; said… …   Medical dictionary

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