The chondrocranium (or cartilaginous neurocranium) is the primitive cartilaginous skeletal structure of the fetal skull that grows to envelop the rapidly growing embryonic brain. In humans, the chondrocranium begins forming at 28 days from mesenchymal condensations and is fully formed between week 7 and 9 of fetal development. While the majority o...
A cartilaginous skull; the cartilaginous parts of the developing skull. ... Origin: chondro-+ G. Kranion, skull ... (05 Mar 2000) ... 
(kon″dro-kra´ne-әm) the cartilaginous cranial structure of the embryo from the seventh week to the middle of the third month, when it is a unified cartilaginous mass without clear boundaries indicating the limits of future bones.
Type: Term Pronunciation: kon′drō-krā′nē-ŭm Definitions: 1. A cartilaginous cranium; the cartilaginous parts of the developing cranium.
(kon;dro-kra;ne-um) The portion of the skull that supports the brain. It is derived from endochondral bone.
chondrocranium A cartilaginous skull; the cartilaginous (connective tissue substance) parts of the developing skull.
a braincase composed of cartilage rather than bone, as the skull of sharks and of the vertebrate embryo before ossification.