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Describe the structure of medulla oblongata. |
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Answer» Medulla oblongata: It forms the connecting limb for the forebrain and the hindbrain. It extends from the pons to the lower surface of the cerebrum. It is more or less triangular and continued behind as a spinal cord. It is hollow from inside, enclosing the fourth ventricle. Functions: It controls involuntary actions, like coughing, sneezing, vomiting, urinating and defecating. It also controls the rate of heartbeat, breathing movement and blood pressure, by controlling the contraction and relaxation of blood vessels. |
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