develops from composed primarily of cartilage tissue cartilage element of chondrocranium cartilaginous condensation sphenoid bone pre-cartilage condensation sphenoid cartilage element UBERON:0009193 EHDAA2:0001888 sphenoid bone cartilage condensation A sphenoid endochondral element that is composed primarily of cartilage tissue. uberon facial mesenchyme mesenchyme derived from neural crest sphenoid endochondral element