Spinal cord originates from
(a) cerebrum
(b) medulla
(c) pons
(d) cerebellum
Answer: B
Solution: The brain is subdivided into cerebrum, thalamus, hypothalamus, cerebellum and brain stem. Brain stem consists of midbrain, pons and medulla oblongata. The medulla oblongata is the lowest part of the brain stem from where the spinal cord originates. Spinal cord is a long cylindrical structure consisting of bundle of nerve fibres, running through the vertebral column of the backbone.