Diploë ( or ) is the spongy
cancellous bone separating the inner and outer layers of the
cortical bone of the
skull
The skull is a bone protective cavity for the brain. The skull is composed of four types of bone i.e., cranial bones, facial bones, ear ossicles and hyoid bone. However two parts are more prominent: the cranium and the mandible. In humans, th ...
.
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
Interior may refer to:
Arts and media
* ''Interior'' (Degas) (also known as ''The Rape''), painting by Edgar Degas
* ''Interior'' (play), 1895 play by Belgian playwright Maurice Maeterlinck
* ''The Interior'' (novel), by Lisa See
* Interior de ...
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
The skull is a bone protective cavity for the brain. The skull is composed of four types of bone i.e., cranial bones, facial bones, ear ossicles and hyoid bone. However two parts are more prominent: the cranium and the mandible. In humans, th ...
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”)
References
External links
Skull
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de:Spongiosa