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The Trigeminal Nerve is located in a structure in the brain stem called the pons.
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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 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.
What nerve is not a branch of the trigeminal nerve?
The facial nerve is not a branch of the trigeminal nerve. It is a separate cranial nerve responsible for facial movement and sensation.
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.
Which nerve affects your sense of taste and facial expressions?
The facial nerve (cranial nerve VII) affects your sense of taste for the anterior two-thirds of the tongue and is responsible for controlling facial expressions through its motor functions.
What is the 12 pairs of peripheral nerves that branch out from the brain?
You are speaking of the 12 cranial nerves:I. Olfactory nerve which branches out of the telencephalonII. Optic which branches out of the diencephalonIII. Oculomotor nerve which branches out of the mesencephalonIV. Trochlear nerve nerve which branches out of the mesencephalonV. Trigeminal nerve which branches out of the ponsVI. Abducens nerve which branches out of the ponsVII. Facial nerve which branches out of the ponsVIII. Vestibulochochlear nerve which branches out of the ponsIX. Glossopharangeal nerve nerve which branches out of the medullaX. Vagus nerve nerve which branches out of the medullaXI. Accessory nerve nerve which branches out of the medulla & cervical spineXII. Hypoglossal nerve nerve which branches out of the medulla
Name the branches of facial nerve?
Facial nerve is the 7th cranial nerve. It has an Intracranial and extracranial course. So branches must be named accordingly as: Branches in the cranial cavity Branches outside the cranial cavity I will post the answer after 2 days...till then the reader can ponder on the question
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 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.
Point of which the facial nerve starts to branch?
The facial nerve starts to branch at the geniculate ganglion, which is located just after the nerve exits the internal acoustic meatus of the temporal bone in the skull. From the geniculate ganglion, the facial nerve gives rise to branches that innervate different muscles of the face as well as the lacrimal and salivary glands.
How many nerves to make a smile?
It takes 43 muscles to form a smile, but there are too many nerves involved to provide an exact number. The facial muscles are innervated by the facial nerve (CN VII), which branches out into numerous smaller nerves that control specific movements in 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.
What cranial nerve allows you to smile?
Smiling is an action produce by more than one muscle but the nerve that allows you to do that is the facial nerve (7th cranial nerve). Facial nerve has 5 branches and the action of all 5 allows you to smile nicely. The temporal branch allow you to wrinkle your forehead, the zygomatic branch allows you to partially close your eyes, the buccal branch allow you to elevate your chin, and the marginal mandibular allow you to widen your mouth laterally.
What nerve should be avoided during a rhytidectomy?
During a rhytidectomy, or facelift procedure, the facial nerve (CN VII) should be carefully avoided. This nerve controls the muscles of facial expression, and inadvertent injury can lead to facial asymmetry and functional impairment. Surgeons typically identify and preserve the nerve branches to minimize complications and ensure optimal cosmetic results. Proper surgical technique and anatomical knowledge are crucial for protecting this nerve during the procedure.
What cranial nerve serves muscles covering the facial skeleton?
Facial Nerve (VII)
What nerve is not a branch of the trigeminal nerve?
The facial nerve is not a branch of the trigeminal nerve. It is a separate cranial nerve responsible for facial movement and sensation.
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.
