facial nerve

Học thuật
Thân thiện
facial nerve

The doctor points to a diagram of the facial nerve on the wall.

Definition
  1. Noun:
    • Seventh cranial nerve: The "facial nerve" is the seventh of twelve paired cranial nerves. It emerges from the brainstem and controls the muscles of facial expression.
    • Motor and sensory nerve: It primarily carries motor fibers to stimulate the muscles used for smiling, frowning, and other expressions. It also carries sensory fibers for taste from the front two-thirds of the tongue and provides parasympathetic innervation to glands.
Usage Examples
  • Noun:
    • Bell's palsy is a condition that causes temporary paralysis or weakness of the muscles on one side of the face due to inflammation of the facial nerve.
    • The surgeon carefully avoided the facial nerve during the procedure to prevent loss of muscle function.
    • Damage to the facial nerve can result in an inability to close the eyelid on the affected side.
Advanced Usage
  • Clinical context: The term is frequently used in medical diagnoses, surgical reports, and anatomical descriptions.
    • The patient's symptoms were localized to the distribution of the facial nerve.
  • "Facial nerve palsy/paralysis": A common clinical term for the loss of facial nerve function.
    • The cause of the acute facial nerve paralysis was unknown.
Variants and Related Words
  • Cranial nerve VII: A direct synonym and alternate anatomical name.
  • Nervus facialis: The Latin term used in formal anatomical nomenclature.
  • Facial canal: The bony canal in the skull through which part of the facial nerve travels.
Synonyms
  • Seventh cranial nerve: The numerical designation.
  • Nervus facialis: The Latin synonym.
Related Phrases
  • Facial nerve injury: Specific damage to this nerve.
  • Facial nerve decompression: A surgical procedure to relieve pressure on the nerve.
  • Facial nerve monitoring: The use of technology during surgery to preserve nerve function.
Related Terms (Contextual)
  • Bell's palsy: The most common disorder affecting the facial nerve.
  • Cranial nerves: The broader category of twelve nerves to which the facial nerve belongs.
  • Facial muscles: The effector organs controlled by this nerve's motor fibers.
facial nerve

The doctor points to a diagram of the facial nerve on the wall.

Noun
  1. cranial nerve that supplies facial muscles

Từ đồng nghĩa