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Webster 1913 Edition

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Noun.

[NL., fr. Gr. [GREEK] fold, fr. [GREEK] twofold, double.]

(Anat.)

The soft, spongy, or cancellated substance between the plates of the skull.

Noun.

[Gr., double.] The soft meditullium, medullary substance, or porous part, between the plates of the skull.

See also: diploë

diploe ‎(plural diploes)

(anatomy) The thin layer of soft, spongy or cancellate tissue between the bone plates which constitute the skull.