NEET PG DENTAL EXAM

Detailed explanation-1: -being on a level with the attachment of the sixth pair of cervical nerves. The reason behind the enlargement of the cervical region is because of the increased neural input and output to the upper limbs. An analogous region in the lower limbs occurs at the lumbar enlargement .

Detailed explanation-2: -The cervical enlargement is the site of the cell bodies of the motor neurons that innervate the upper limbs, as well as the site where the sensory nerves from the upper limbs synapse.

Detailed explanation-3: -The cervical enlargement is caused by the presence of the upper extremities (the arms). There are more nerves in that area that need to be projected outside of the spinal cord to innervate the arms, hands, and fingers. The lumbar enlargement is situated the level of the inferior extremities to innervate the legs.