Neural Control & Coordination

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Ç. HÏÑDBRÅÏÑ (RHØMBËÑÇËPHÅLØÑ)

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It consists of cerebellum, Pons and Medulla oblongata.

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Midbrain & hindbrain form the Brain stem.

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Cerebellum (“little brain”): It has very convoluted surface to

accommodate more neurons. It coordinates muscular activities and

body equilibrium.

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Pons varoli: It consists of fibre tracts that interconnect different regions

of the brain. It coordinates the activities of eye and ear and regulates

respiration.

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Medulla oblongata: It is connected to spinal cord. It controls respiration,

cardiovascular reflexes, gastric secretions, peristalsis etc. It also controls

salivation, vomiting, sneezing & coughing. (NEET 2018)

2. SPÏÑÅL ÇØRD

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It is enclosed within the spinal canal of vertebral

column.

It is also protected by meninges.

Spinal cord has a central canal containing CSF.

Outer white matter and inner gray matter.

Conduction of impulses to and from the brain.

Centre of spinal reflexes.