Question

What are the parts of Hind Brain? Write finctions if each part.

Answer 1

Answer:

Hindbrain, also called rhombencephalon, region of the developing vertebrate brain that is composed of the medulla oblongata, the pons, and the cerebellum.

The hindbrain coordinates functions that are fundamental to survival, including respiratory rhythm, motor activity, sleep, and wakefulness.

Answer 2

Hind Brain:

It has 3 parts:-

• Pons
• Cerebellum
• Medulla Oblongata

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1. Pons or Pons Varolii:-

• It's a small spherical projection, which is situated below the mid brain upper side of Medulla Oblongata.

• It has transverse and longitudinal nerve fibres.

Function:

• It regulates breathing reaction via pneumotaxic centre.

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2. Cerebellum:-

• It's made up of three lobes.

• The lateral lobes of cerebellum are enlarged and spherical in shape.

• Outer part of cerebellum is made up of gray matter

• Inner part of cerebellum is made up of white matter.

Functions:-

• It's related with fine and skilful voluntary movements.

• This part receives impulses from voluntary mussels and joints then controls their movements.

• Cerebellum maintains body balance equilibrium and posture.

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3. Medulla Oblongata:-

• It's tubular and cylindrical in shape.

• It's connected with spinal cord.

Functions:-

• It contains centres for controlling respiration, gastric secretions metabolism.

• It is also concerned with reflex actions.