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The cranial nerve exam is a type of neurological examination. It is used to identify problems with the cranial nerves by physical examination. It has nine components. Each test is designed to assess the status of one or more of the twelve cranial nerves (I-XII). These components correspond to testing the sense of smell (I), visual fields and ...
The facial nerve, also known as the seventh cranial nerve, cranial nerve VII, or simply CN VII, is a cranial nerve that emerges from the pons of the brainstem, controls the muscles of facial expression, and functions in the conveyance of taste sensations from the anterior two-thirds of the tongue. [1] [2] The nerve typically travels from the ...
Pons. Three Parts: V 1 ( ophthalmic nerve) is located in the superior orbital fissure V 2 ( maxillary nerve) is located in the foramen rotundum. V 3 ( mandibular nerve) is located in the foramen ovale . Receives sensation from the face, mouth and nasal cavity, and innervates the muscles of mastication . VI.
The accessory nerve emerges from the medulla of the brainstem, and is visible at the bottom of the image in blue. The accessory nerve, also known as the eleventh cranial nerve, cranial nerve XI, or simply CN XI, is a cranial nerve that supplies the sternocleidomastoid and trapezius muscles. It is classified as the eleventh of twelve pairs of ...
Central facial palsy (colloquially referred to as central seven) is a symptom or finding characterized by paralysis or paresis of the lower half of one side of the face. It usually results from damage to upper motor neurons of the facial nerve . The facial motor nucleus has dorsal and ventral divisions that contain lower motor neurons supplying ...
e. Cranial nerves are the nerves that emerge directly from the brain (including the brainstem ), of which there are conventionally considered twelve pairs. Cranial nerves relay information between the brain and parts of the body, primarily to and from regions of the head and neck, including the special senses of vision, taste, smell, and hearing.
Corneal reflex. Purpose. Examination of corneal reflex is part of some neurological tests. The corneal reflex, also known as the blink reflex or eyelid reflex, [ 1] is an involuntary blinking of the eyelids elicited by stimulation of the cornea (such as by touching or by a foreign body), though it could result from any peripheral stimulus.
Contents. Buccal branches of the facial nerve. Plan of the facial and intermediate nerves and their communication with other nerves. (Labeled at center bottom, third from the bottom.) The nerves of the scalp, face, and side of neck. The buccal branches of the facial nerve (infraorbital branches), are of larger size than the rest of the branches ...