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Cranial Nerves

Cranial Nerves and their fx

QuestionAnswer
Cranial nerve I. Olfactory / Sensory
Cranial nerve II. Optic / Sensory
Cranial nerve III. Oculomotor / Motor
Cranial nerve IV. Trochlear / Motor
Cranial nerve V. Trigeminal / Both Sensory and Motor
Cranial nerve VI. Abducens / Motor
Cranial nerve VII. Facial / Both Sensory and Motor
Cranial nerve VIII. Vestibulocochlear (Auditory) / Sensory
Cranial nerve IX. Glossopharyngeal / Both Sensory and Motor
Cranial nerve X. Vagus / Both Sensory and Motor
Cranial nerve XI. (Spinal) Accessory / Motor
Cranial nerve XII. Hypoglossal / Motor
In addition to purely sensory and motor nerves, cranial nerves also contain ...sensory proprioceptive fibers in their motor neural pathways
olfactory signals are ultimately processed by ... the thalamus and frontal lobe.
The olfactory nerves are sensory nerves associated with smell.
Optic nerves are sensory nerves related to vision.
Ultimately, optic nerve signals are processed by the visual cortex that is located in the occipital lobe and by specialized optic reflex centers located in the midbrain region.
Oculomotor nerves are mixed sensory and motor nerves that innervate and help control some of the intrinsic and extrinsic eye muscles.
Parasympathetic fibers of the oculomotor nerves serve to control the contractions of the iris that, in turn regulate dilation and constriction of the pupil.
Fibers of the oculomotor nerve also help to control muscles that shape the lens of the eye
The trochlear cranial nerves are mixed sensory and motor nerves that innervate the superior oblique muscles of the eye
The trigeminal nerves are the major sensory nerves of the face
The trigeminals derive their name from the fact that each has three major branches, the ophthalmic, maxillary, and mandibular nerves.
The ophthalmic and maxillary nerves are sensory nerves.
The mandibular nerve is a mixed nerve containing both sensory and motor tracts.
The trigeminal nerve is important to the control of chewing (mastication).
The abducens cranial nerves (provide a motor pathway that innervates the lateral rectus muscles and thereby) regulate abduction of the eye.
The facial nerves are mixed sensory and motor cranial nerves that service the facial area.
Facial cranial nerves also carry sensory taste related signals from the frontal (or anterior) regions of the tongue.
The acoustic nerves (or vestibulocochlear), via their vestibular and cochlear sensory branches, provide a neural pathway to relay sound and pressure induced stimuli (sound waves are pressure waves) from the inner ear to the bain.
The acoustic nerves also provide critical information needed to maintain balance
The glossopharyngeal cranial nerves motor: responsible for swallowing, and sensory relay taste stimuli from back or posterior regions of the tongue.
Glossopharyngeal cranial nerves also provide neural pathways that play a role in the regulation of respiration and blood pressure and respiration
The vagus cranial nerves provide parasympathetic innervation to the heart, bronchi, stomach, intestines, and other thoracic and abdominal visceral parasympathetic effectors
Spinal accessory cranial nerves join with spinal nerves to innervate motor pathways of the trapezius and sternocleidomastoid muscles
The hypoglossal cranial nerves provide motor pathways to muscles related to swallowing.
Cranial nerves are nerves that emerge from the brainstem instead of the spinal cord.
Cranial nerves - sensory/motor/both mnemonics Some Say Marry Money, But My Brother Says Bad Business Marry Money
Cranial nerves - names mnemonics Ooh, Ooh, Ooh To Touch And Feel Virgin Girls Vaginas, Ahh Heaven!
Created by: AJJAD
 

 



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