人体解剖学颅神经PPT.ppt

Trigeminal nerve –ophthalmic N Trigeminal nerve –ophthalmic N superior orbital fissure Lacrimal nerve to lacrimal gland. Frontal nerve to forehead Nasociliary nerve to eyeball, part of nasal cavity, and skin of dorsum of nose from root to top. Trigeminal nerve –maxillary N foramen rotundum pterygopalatine fossa inferior orbital fissure, sulcus, canal and foramen to part of nasal cavity, maxilla, upper teeth, and skin between eye and mouth Lingual nerve to anterior 2/3 of tongue Inferior alveolar nerve to mandible, lower teeth, and chin Buccal nerve to cheek Auriculotemporal nerve to parotid gland and temporal region SVM fibers supply muscles of mastication, tensor veli palatini, and tensor tempani, etc. Mandibular n. tensor tympani M Anterior belly of digastric M Sensory fibers of CN V Ⅶ Facial nerve in the temporal bone and main branches and distribution Mixed (SVM, GVM, SVS) Pons → internal acoustic meatus→canal of facial nerve→stylomastoid foramen parotid gland SVM fibers supply muscles of facial expression stapedius GVM fibers synapse in pterygo-palatine ganglion to supply lacrimal gland; in submandibular ganglion submandibular sublingual gland SVS fibers receive taste from anterior 2/3 of tongue Ⅶ Facial nerve facial n in the internal auditory meatus LOGO Cranial nerve Dept. of Anatomy Zhou Hong Ying Key Points of Learning Name Components Passing through Peripheral distribution Central connection Function Ⅰ olfactory Ⅱ optic Ⅲ occulomotor Ⅳ trochlear Ⅴ trigeminal Ⅵ abducens Ⅶ facial Ⅷ vestibulocochlear Ⅸ glossophryngeal Ⅹ vagus Ⅺ accessory Ⅻ hypoglossal Cranial nerve Cranial nerve: connect with brain Openings and fissures on base of skull for CN Pure sensory CN olfactory n. optic n. vestibulocochlear n. Olfactory nerve CN I Pure sensory (SVS) --smell Olfactory bulb of telencephalon Leaves cranial cavity through foramina in cribriform plate Distributes to mucosa of superior part of lateral and septal walls of