颅神经

颅神经共12对,按其附着于脑的头尾侧排列顺序,通常以罗马数字Ⅰ~ⅩⅡ表示。除嗅神经和视神经由胚胎时期的脑室壁向外凸出演化而成外,其它的都与脊神经的发生形式相似。

颅神经除躯体传入、传出和内脏传入、传出四种纤维成分外,还有特殊躯体传入和特殊内脏传入、传出三种纤维成分。

Cranial Nerves – S=Sensory; M=Motor; B=Both
S
S
M
M
B
M
B
S
B
B
M
M
S
S
M
M
B
M
B
S
B
B
M
M
Cranial Nerves Summary
Nerves in Order
Modality Function
Olfactory Special Sensory Smell
Optic Special Sensory Vision
Oculomotor Somatic Motor Levator palpebrae, superioris, superior, medial & inferior recti muscles
Visceral Motor Parasympathetic to ciliary & pupillary constrictor muscles
Trochlear Somatic Motor Superior oblique muscle
Trigeminal Branchial Motor Muscles of mastication
General Sensory Sensory for head/neck, sinuses, meninges, & external surface of tympanic membrane
Abducens Somatic Motor Lateral rectus muscle
Facial Branchial Motor Muscles of facial expression
Visceral Motor Parasympathetic to all glands of head except the parotid
General Sensory Sensory for ear and tympanic membrane
Special Sensory Taste anterior two-thirds of tongue
Vestibulocochlear General Sensory Hearing and Balance
Glossopharyngeal Branchial Motor
Visceral Motor
Visceral Sensory
Special Sensory
General Sensory
Branchial Motor
Parotid Gland
Carotid Body
Sensation posterior one-third tongue & internal surface of tympanic membrane.
Taste posterior one-third tongue
Vagus Branchial Motor
Visceral Motor
Visceral Sensory
Special Sensory 
Muscles pharynx & larynx
Parasympathetic to neck, thorax, & abdomen
Sensory from pharynx, larynx & viscera
Sensory from external ear
Spinal Accessory Branchial Motor Trapezius & sternocleidomastoid muscles
Hypoglossal Somatic Motor Tongue muscles except palatoglossal

作者: bensonchina

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