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Cranial Nerves - Coggle Diagram
Cranial Nerves
Superior orbital fissure
Oculomotor (III) CN
Efferent (motor) nerve
Eye muscles for eye movement
Preganglionic parasympathetic
Ciliary ganglion near the eyeball
Postganglionic fibers
innervate small muscles within the eyeball
Ophthalmic (V1) CN of Trigeminal (V) CN
Afferent (sensory) nerve
Nasociliary nerve
Frontal nerve
Lacrimal nerve
Trochlear (IV) CN
Efferent (motor) nerve
eye muscle, proprioception w/o parasympathetic fibers
Abducens (VI) CN
Efferent (motor) nerve
Eye muscle
Jugular Foramen between occipital & temporal bone
Glossopharyngeal (IX) CN
Efferent (motor) nerve
Pharyngeal muscle & stylopharyngeus muscle
Afferent (sensory) nerve
Carotid artery, oropharynx, taste & sensation from base of tongue (gag reflux)
Preganglionic gland
parasympathetic innervation
Parotid salivary gland
LEAVES via Foramen Ovale as
Lesser Petrosal Nerve
Vagus (X) CN
Efferent (motor) nerve
Muscles of soft palate, pharynx, & larynx
Parasympathetic fibers
Organs in thorax, abdomen, thymus gland, heart, & stomach
Afferent (sensory) nerve
skin around ear & taste sensation for epiglottis
Accessory (XI) CN
Efferent (motor) nerve
trapezius, sternocleidomastoid, soft palate, & pharynx muscles
Internal Acoustic Meatus of temporal bone
Facial (VII) CN
Vestibulocochlear (VIII) CN
Afferent (sensory) nerve
Hearing & balance
Cribriform plate of ethmoid bone
Olfactory (I) CN
Afferent (sensory) nerve
SMELL
Optic canal sphenoid bone
Optic (II) CN
Afferent (sensory) nerve
nerves join at Optic Chiasma
SIGHT
Foramen Rotundum of sphenoid bone
Maxillary (V2) CN of Trigeminal (V) CN
Afferent (sensory) nerve
Maxillary teeth, associated periodontium, gingiva, & maxillary sinus
Foramen Oval of sphenoid bone
Mandibular (V3) CN of Trigeminal (V) Cn
Efferent (motor) & Afferent (sensory)
Lower face
Hypoglossal canal in occipital bone
Hypoglossal (XII) CN
Efferent (motor) nerve
intrinsic & extrinsic muscles of tongue