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What cranial nerve is responsible for muscles of facial expression?
Facial nerve, the seventh cranial nerve. It leaves the brain along with eighths cranial nerve through internal acoustic meatus and comes out through stylomastoid foramen to supply the muscles of facial expression.
What is the nerve supply of the muscles of facial expression?
The facial muscles are innervated by facial nerve (cranial nerve VII). In contrast, the nearby masticatory muscles are innervated by the mandibular nerve, a branch of thetrigeminal nerve (V).
What symptoms may occur when an acoustic neuroma presses on the surrounding cranial nerves?
Compression of the fifth cranial nerve can result in facial pain and or numbness. Compression of the seventh cranial nerve can cause spasms, weakness or paralysis of the facial muscles
What is the role of the facial cranial nerve in controlling facial expressions and movements?
The facial cranial nerve, also known as the seventh cranial nerve or the facial nerve, plays a crucial role in controlling facial expressions and movements. It innervates the muscles of the face, allowing us to smile, frown, blink, and make other facial expressions. Damage to this nerve can lead to facial paralysis or weakness on one side of the face.
What part of the nervous system is affected by the bell's palsy?
The Facial Nerve or Cranial Nerve VII is the nerve involved with Bell's Palsy.
Name the disease which cause paralysis of the facial muscles?
Bell's Palsy is one. Dysfunctional cranial nerve causes partial facial paralysis
What is niether a cranial nor a facial bone?
The hyoid bone is neither a cranial nor a facial bone. It is a U-shaped bone located in the neck that serves as a point of attachment for muscles involved in swallowing and speech.
Which nerve control smiling?
The facial nerve, also known as cranial nerve VII, controls the muscles of facial expression, including those involved in smiling. It originates in the brainstem and innervates the muscles of the face, allowing for various facial movements, including smiling.
What cranial nerve has been damaged when your mouth droops?
Damage to the facial nerve (cranial nerve VII) can result in drooping of the mouth on one side, a condition known as facial paralysis or Bell's palsy. This nerve controls the muscles of facial expression, including those involved in smiling, frowning, and closing the eyes.
Which cranial nerve is involved in the secretion of saliva?
CN VII (facial) The cranial nerves that regulate salivation are CN VII (facial) and CN IX (Glossopharyngeal). The cranial nerves that transmit the special sense of taste are CN VII (facial, to the anterior 2/3rd of the tongue) and CN X (vagus, to the posterior 1/3rd of the tongue). Of these nerves, only CN VII (facial) transmits both taste and salivation control.
What are the cranial nerves involved in the corneal reflex?
It is the 7th cranial nerve (facial nerve).
What cranial nerve is involved in frowning?
In most of the cases this happens due to a condition called as Bell's palsy. Facial nerve passes on it's way out of the skull through the internal ear. Here it is compressed in most cases. The patient usually has runny nose or else some cold related symptoms. The symptoms usually resolve in three weeks. There can be other causes of facial paralysis, in which case the nerve is pressed.
