Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
CN I
|
-Olfactory
-Special Sensory -olfaction -located anteriormost along inferior frontal lobe -cell bodies in olfactory mucosa in roof of nasal cavity -nerves enter the cranium via cribiform plate in eithmoid bone -anosmia can be caused by fracture here |
|
|
CN II
|
-Optic
-Special Sensory -Vision -located on inferior aspect of frontal lobe -cell bodis located in retina -develops as an extension of the diencephalon, and is surounded by meninges -nerve passes through optic canal to enter middle cranial fossa where it forms the optic chiasma |
|
|
CN III
|
-Oculomotor
-Motor -Eye Movements, constriction of pupil -located on anterior pons |
|
|
CN IV
|
-Trochlear
-Motor -Eye Movements -located on lateral aspect of pons |
|
|
CN V
|
-Trigeminal
-Mixed -Muscles of Mastication, facial sensory -located on lateral aspect of pons -3 divisions: V1 Opthalamic, V2 Maxillary, V3 Mandibular |
|
|
CN VI
|
-Abducens
-Motor -Eye Movement -located in groove b/w pons and medulla |
|
|
CN VII
|
-Facial
-Mixed -Muscles of facial expression, taste, salivation, lacrimation -located on posterior margin of pons |
|
|
CN VIII
|
-Vestibulocochlear
-Special Sensory -Hearing and Equilibrium -located on posterior margin of pons |
|
|
CN IX
|
-Glossopharyngeal
-Mixed -Pharyngeal muscles, salivation, taste -located in lateral sulcus of medulla, caudal to CN VII |
|
|
CN X
|
-Vagus
-Mixed -Major nerve for parasympathetics, laryngeal muscles, taste -located in lateral sulcus of medulla |
|
|
CN XI
|
-Spinal Accessory
-Motor -Trapezius and Sternocleidomastoid -located cranial part with vagus, spinal via foramen mangum |
|
|
CN XII
|
-Hypoglossal
-Motor -Innervation of tongue muscles -located in sulcus b/w pyramid and olive |
