Cranial Nerves Flashcards
What is CN 1?
Olfactory
What is CN 2?
Optic
What is CN 3?
Occulomotor
What is CN 4?
Trochlear
What is CN 5?
Trigeminal
What is CN 6?
Abducens
What is CN 7?
Facial
What is CN 8?
Vestibulocochlear
What is CN 9?
Glossopharyngeal
What is CN 10?
Vagus
What is CN 11?
Spinal Accessory
What is CN 12?
Hypoglossal
What are the functions of CN 1?
-Sense of smell
What are the functions of CN 2?
-Sense of vision
What are the functions of CN3?
- Motor to eyeball
- Levator palpibre motor (eyelid)
- Parasympathetic Motor Control To Pupil
What are the functions of CN 4?
-Motor to eyeball
What are the functions of CN 5?
- Mastication motor
- Epicritic face and tongue sensation (2/3)
- Protopathic face and tongue sensation
- Unconscious proprioception and sensory for bite reflex
What are the functions of CN 6?
-Eye movement
What are the functions of CN 7?
- Motor facial expression
- Parasympathetic to all facial glands of head except for parotid and skin
- Sensory to external ear external tympanic membrane
- Taste sense to anterior 2/3 of tongue
What are the functions of CN 8?
- Special sense for hearing
- Posture and equilibrium
What are the functions of CN 9?
- Motor: gag and swallowing
- Parasympathetic motor to parotid gland
- Visceral sensory to carotid body
- Sensory to posterior tongue, pharynx, external ear, external tympanic membrane
What are the functions of CN 10?
- Motor to pharynx larynx and vulva
- Parasympathetic motor to larynx, thoracic and abdominal organs
- Visceral sense to larynx, thoracic and abdominal organs
- Sensory to external ear and external tympanic membrane
What are the functions of CN 11?
-Motor to Sternocleidomastoid and Trapezius
What are the functions of CN 12?
-Motor to intrinsics and extrinsics of tongue (speech)
What are the nuclei for CN 1
NONE
What are the nuclei for CN 2
- Lateral Gen.
- Superior and inferior pre-tectal nucleus
What are the nuclei for CN 3
- Nuc. of 3
- Edinger-Westphal
What are the nuclei for CN 4
-Nuc. of 4
What are the nuclei for CN 5
- Motor Nuc of 5
- Chief sensory nucleus and rostral spinal nucleus of 5
- Caudal Spinal nucleus of 5
- Mesencephalic nucleus of 5
What are the nuclei for CN 6
-Nucleus of 6
What are the nuclei for CN 7
- Nucleus of 7
- Superior Salvatory nucleus and lacrimal nuclei
- Rostral spinal nucleus of 5 (epicritic)
- Caudal spinal nucleus of 5 (protopathic)
- Solitary nucleus (rostral)
What are the nuclei for CN 8
- Dorsal and ventral cochlear nuclei
- Medial, lateral, inferior and superior vestibular nuclei.
What are the nuclei for CN 9
- Nucleus ambiguous
- Inferior salvatore nucleus
- Solitary nucleus
- Rostral spinal nucleus of 5 (epicritic)
- Caudal spinal nucleus of 5 (protopathic)
- Solitary nucleus (rostral)
What are the nuclei for CN 10
- Nucleus ambiguous
- Dorsal motor nucleus of 10
- Solitary nucleus (caudal portion)
- Rostral spinal nucleus (epicritic)
- Caudal spinal nucleus (protopathic)
What are the nuclei for CN 11
-Nucleus of 11
What are the nuclei for CN 12
Nucleus of 12
Where are the nuclei for CN 1
N/A
Where are the nuclei for CN 2
Forebrain, midbrain
Where are the nuclei for CN 3
Midbrain
Where are the nuclei for CN 4
Midbrain
Where are the nuclei for CN 5
Pons, medulla, and midbrain
Where are the nuclei for CN 6
Pons
Where are the nuclei for CN 7
Pons and medulla
Where are the nuclei for CN 8
Pons and medulla
Where are the nuclei for CN 9
Pons and medulla
Where are the nuclei for CN 10
Medulla
Where are the nuclei for CN 11
Medulla and cervical spinal cord
Where are the nuclei for CN 12
Medulla