The Skull: Cranial Bones -
- Skull forms the skeleton of the head.
- The skull is composed of two sets of bones – cranial and facial, that totals to 22 bones.
- The hyoid bone and ear ossicles are also studied under the skull bones, that totals to 29 bones.
- The skull region articulates with the superior region of the vertebral column with the help of two occipital condyles (dicondylic skull).
- The cranial cavity, in which the brain is lodged, posteriorly opens by foramen magnum.
- The brain is connected to the spinal cord at this foramen.
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The cranial cavity, in which the brain is lodged, posteriorly opens by foramen magnum. The brain is connected to the spinal cord at this foramen. Hence the correct option is c. foramen magnum
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