Diploë

Diploë (/ˈdɪploʊi/ or DIP-lo-ee) is the spongy cancellous bone separating the inner and outer layers of the cortical bone of the skull.[1]

Diploë
Veins of the diploë as displayed by the removal of the outer table of the skull.
Details
VeinDiploic veins
Identifiers
LatinDiploe
TAA02.1.00.035
FMA76630
Anatomical terminology

In the cranial bones, the layers of compact cortical tissue are familiarly known as the tables of the skull; the outer one is thick and tough; the inner is thin, dense, and brittle, and hence is termed the vitreous table. The intervening cancellous tissue is called the diploë. In certain regions of the skull this becomes absorbed so as to leave spaces filled with liquid between the two tables.

Etymology

From Ancient Greek διπλόη (diplóē, “literally, a fold”), noun use of feminine of διπλόος (diplóos, “double”)

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References
  1. "Definition of DIPLOE". www.merriam-webster.com.

This article incorporates text in the public domain from page 80 of the 20th edition of Gray's Anatomy (1918)


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