chondrocranium

American  

[kon-droh-krey-nee-uhm] / ˌkɒn droʊˈkreɪ ni əm /

noun

plural

chondrocraniums, chondrocrania

1. a braincase composed of cartilage rather than bone, as the skull of sharks and of the vertebrate embryo before ossification.

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Etymology

Origin of chondrocranium

First recorded in 1870–75; chondr(i)o- + cranium

Example Sentences

The mandibles, however, are in part derived from the chondrocranium.

From Degeneracy Its Causes, Signs and Results by Talbot, Eugene S.

Behind, the primary skull or chondrocranium gives off two occipal or rear skull plates.

From Degeneracy Its Causes, Signs and Results by Talbot, Eugene S.

The deficiencies in the chondrocranium appear in the occipital bone, which requires a small portion of the dermal bone to complete it on each side.

From Degeneracy Its Causes, Signs and Results by Talbot, Eugene S.

These two conditions result from the inability of the dermal bones to fill at the proper period the gaps in the chondrocranium.

From Degeneracy Its Causes, Signs and Results by Talbot, Eugene S.

I. The chondrocranium, jaws, arches, and muscles of a partly grown larva.

From The Ancestry of Modern Amphibia: A Review of the Evidence by Eaton, Theodore H. (Theodore Hildreth)