Diploë

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Diploë
Veins of the diploë as displayed by the removal of the outer table of the skull.
Details
Vein	Diploic veins
Identifiers
Latin	diploe
TA98	A02.1.00.035
TA2	438
FMA	76630
Anatomical terminology [edit on Wikidata]

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] It is a subclass of trabecular bone.^[2]

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.

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

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

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