Template talk:Cranial Nerve Table collapsible: Difference between revisions

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Cranial Nerves

CN I Olfactory

sensory - olfactory receptor neuron axons

olfactory epithelium to cribriform plate of the ethmoid bone then to the olfactory bulb

CN II Optic

sensory - retinal ganglion neuron axons

development - CNS out-pouching of the diencephalon (optic stalks)

optic nerve fibres covered with myelin produced by oligodendrocytes

ensheathed in all three meningeal layers (dura, arachnoid, and pia mater)

CN III Oculomotor

motor - innervates muscles that enable most eye movement

development - oculomotor nerve is derived from the basal plate of the embryonic midbrain

CN IV Trochlear

motor - innervates the superior oblique muscle that enables eye movement

CN V Trigeminal

(semilunar ganglion or gasserian ganglion)

three major branches - ophthalmic nerve (V1), maxillary nerve (V2), mandibular nerve (V3)

mixed motor/sensory

sensory - provide tactile, proprioceptive, and nociceptive afference to the face and mouth.
motor - innervate the skin of the face via ophthalmic (V1), maxillary (V2) and mandibular (V3) divisions. Special visceral efferent (SVE) axons innervate the muscles of mastication via the mandibular (V3) division.

CN VI Abducent

motor - innervates the lateral rectus muscle that enables eye movement

development - from the basal plate of the embryonic pons

CN VII Facial

mixed motor/sensory

motor - innervates the muscles of facial expression

sensory - taste from the anterior two-thirds of the tongue and oral cavity

development - second pharyngeal arch

motor derived from the basal plate of the embryonic pons
sensory derived from cranial neural crest

CN VIII Acoustic

sensory - auditory and equilibrium

development - otic placed

CN IX Glossopharyngeal

mixed motor/sensory

lies anterior to the medulla oblongata

Branchial motor (special visceral efferent) – supplies the stylopharyngeus muscle.

Visceral motor (general visceral efferent) – provides parasympathetic innervation of the parotid gland via the otic ganglion.

Visceral sensory (general visceral afferent) – carries visceral sensory information from the carotid sinus and carotid body.

General sensory (general somatic afferent) – provides general sensory information from inner surface of the tympanic membrane, upper pharynx (GVA), and the posterior one-third of the tongue.

Visceral afferent (special visceral afferent) – provides taste sensation from the posterior one-third of the tongue, including circumvallate papillae.

CN X Vagus

(pneumogastric nerve) responsible for heart rate, gastrointestinal peristalsis, sweating, and muscle movements in the mouth, including speech (via the recurrent laryngeal nerve)

development

motor derived from the basal plate of the medulla oblongata
sensory derived from cranial neural crest

CN XI Accessory

motor - innervates the sternocleidomastoid and trapezius muscles

CN XII Hypoglossal

motor - hypoglossal nucleus of the ventromedial medulla oblongata from a number of smaller rootlets

development - basal plate of the medulla oblongata

Original Table

Cranial Nerves
CN I	Olfactory
CN II	Optic
CN III	Oculomotor
CN IV	Trochlear
CN V	Trigeminal
CN VI	Abducent
CN VII	Facial
CN VIII	Acoustic
CN IX	Glossopharyngeal
CN X	Vagus
CN XI	Accessory
CN XII	Hypoglossal

@@ Line 1: / Line 1: @@
+==Cranial Nerves==
+===CN I Olfactory===
+sensory -  olfactory receptor neuron axons
+olfactory epithelium to cribriform plate of the ethmoid bone then to the olfactory bulb
+===CN II Optic===
+sensory -  retinal ganglion neuron axons
+development - CNS out-pouching of the diencephalon (optic stalks)
+optic nerve fibres covered with myelin produced by oligodendrocytes
+ensheathed in all three meningeal layers (dura, arachnoid, and pia mater)
+===CN III Oculomotor===
+motor - innervates muscles that enable most eye movement
+development - oculomotor nerve is derived from the basal plate of the embryonic midbrain
+===CN IV Trochlear===
+motor - innervates the superior oblique muscle that enables eye movement
+===CN V Trigeminal===
+(semilunar ganglion or gasserian ganglion)
+three major branches - ophthalmic nerve (V1), maxillary nerve (V2), mandibular nerve (V3)
+mixed motor/sensory
+* sensory - provide tactile, proprioceptive, and nociceptive afference to the face and mouth.
+* motor - innervate the skin of the face via ophthalmic (V1), maxillary (V2) and mandibular (V3) divisions. Special visceral efferent (SVE) axons innervate the muscles of mastication via the mandibular (V3) division.
+===CN VI Abducent===
+motor - innervates the lateral rectus muscle that enables eye movement
+development - from the basal plate of the embryonic pons
+===CN VII Facial===
+mixed motor/sensory
+motor - innervates the muscles of facial expression
+sensory - taste from the anterior two-thirds of the tongue and oral cavity
+development - second pharyngeal arch
+* motor derived from the basal plate of the embryonic pons
+* sensory derived from cranial neural crest
+===CN VIII Acoustic===
+sensory - auditory and equilibrium
+development - otic placed
+===CN IX Glossopharyngeal===
+mixed motor/sensory
+lies anterior to the medulla oblongata
+Branchial motor (special visceral efferent) – supplies the stylopharyngeus muscle.
+Visceral motor (general visceral efferent) – provides parasympathetic innervation of the parotid gland via the otic ganglion.
+Visceral sensory (general visceral afferent) – carries visceral sensory information from the carotid sinus and carotid body.
+General sensory (general somatic afferent) – provides general sensory information from inner surface of the tympanic membrane, upper pharynx (GVA), and the posterior one-third of the tongue.
+Visceral afferent (special visceral afferent) – provides taste sensation from the posterior one-third of the tongue, including circumvallate papillae.
+===CN X Vagus===
+(pneumogastric nerve) responsible for heart rate, gastrointestinal peristalsis, sweating, and muscle movements in the mouth, including speech (via the recurrent laryngeal nerve)
+development
+* motor derived from the basal plate of the medulla oblongata
+* sensory derived from cranial neural crest
+===CN XI Accessory===
+motor -   innervates the sternocleidomastoid and trapezius muscles
+===CN XII Hypoglossal===
+motor - hypoglossal nucleus of the ventromedial medulla oblongata from a number of smaller rootlets
+development - basal plate of the medulla oblongata
+==Original Table==
 {| class="wikitable mw-collapsible mw-collapsed"
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