Respuesta :

The third cranial nerve is the oculomotor nerve (CN III). It permits eye muscle movement, pupil constriction, eye focussing, and adjustment of the upper eyelid position.

Together with other cranial nerves, cranial nerve III supports sensory perception and control of eye movements.

  • The olfactory nerve (CN I) is what makes us smell.
  • Vision is produced by the optic nerve (CN II).
  • The trigeminal nerve (CN V) provides facial sensibility.
  • Cochlear and vestibular nerves (CN VII) allow for balance and hearing.

A class of conditions known as oculomotor dysfunction affect CN III. Third nerve palsy is another name for these illnesses. They take place when cranial nerve III paralyzes.

Birth can result in third nerve palsy. It might also happen later in life because of:

  • Insufficient blood flow: Leads to a lack of oxygen, which nerves require for effective operation.
  • Compression of a nerve: Unusual pressure on a nerve.

Learn more about " cranial nerves " to visit here;

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QUESTION -

Which of the following cranial nerves control the movements of the eye and eyelid? Check all that apply.

Facial nerve (VII)

Oculomotor nerve (II)

Abducens nerve (VI)

Trochlear nerve (IV)