NEET PG DENTAL EXAM

Detailed explanation-1: -The cervical spinal nerves are named according to vertebra above which they emerge. For example, the 4th cervical nerve emerges above the 4th vertebra. On the other hand, the thoracic, lumbar, sacral, and coccygeal spinal nerves are numbered according to vertebra below which they emerge.

Detailed explanation-2: -The transverse cervical nerve, of C2 and C3, projects posteriorly and wraps around anteriorly to supply the skin of the anterior cervical region. The supraclavicular nerve, of C3 and C4, descends from the posterior sternocleidomastoid and provides sensory information from the skin over the clavicle and shoulder.

Detailed explanation-3: -The CCJ includes the occiput and the two most cephalad cervical vertebrae, known as the atlas (C1) and the axis (C2).

Detailed explanation-4: -The most inferior of the spinal nerves, the coccygeal nerve leaves the spinal cord at the level of the conus medullaris via respective vertebrae through their intervertebral foramina, superior to the filum terminale.