Examlex
Generally,brain and nerve cells are not able to regenerate after injury because they have left the cell cycle and are unable to return.
Thyroxin
A hormone produced by the thyroid gland that regulates metabolism, energy production, and growth and development.
Melatonin
A substance secreted by the pineal gland that controls the rhythm of sleeping and waking.
Cerebellum
A part of the hindbrain involved in muscle coordination and balance.
Pons
A part of the brain located in the brainstem, critical for relaying messages between the brain and the spinal cord and regulating sleep.
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