8 Questions
What is the name of the contribution that forms most of the outer casing of the skull in later vertebrates?
Dermal bones
Which part of the skull is composed of endochondral bone or of cartilage, or both?
Chondrocranium
What term is used as an equivalent to the chondrocranium by some morphologists?
Neurocranium
Which part of the skull is composed of fused cranial components surrounding and encasing the brain?
Braincase
What is the most ancient part of the skull that first arose to support pharyngeal slits in protochordates?
Splanchnocranium
What structures can make up the braincase in different species?
Structures of dermatocranium, chondrocranium, and even splanchnocranium
What parts can some morphologists expand the term 'neurocranium' to include?
Fused or attached sensory capsules
What do still others consider the neurocranium to be?
Only the ossified parts of the chondrocranium
Learn about the three distinct parts of the vertebrate skull - the splanchnocranium, chondrocranium, and dermatocranium. Understand their origins and functions in supporting different aspects of the skull.
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