- a braincase composed of cartilage rather than bone, as the skull of sharks and of the vertebrate embryo before ossification.
Origin of chondrocranium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for chondrocranium
The mandibles, however, are in part derived from the chondrocranium.
In the Dipneusti36 the chondrocranium is strengthened in the adult by numerous bones.
Numerous membrane bones cover the chondrocranium externally.
In the sturgeon the chondrocranium is ensheathed by numerous membrane bones, but cartilage bones are absent.
Behind, the primary skull or chondrocranium gives off two occipal or rear skull plates.
- The cartilaginous parts of the developing skull.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.