Glossopharyngeal Nerve (CN IX): Schema | Cranial and Cervical Nerves | human anatomy
Автор: Inditeaching
Загружено: 2025-09-20
Просмотров: 341
Описание:
Glossopharyngeal Nerve (CN IX): Schema | Cranial and Cervical Nerves | human anatomy | Biology Diagram | @inditeaching
Efferent fibers
Afferent fibers
Parasympathetic fibers Tympanic nerve (of Jacobson)
Tympanic cavity and plexus
Stylomastoid foramen
Caroticotympanic nerves (from internal carotid plexus)
Greater petrosal nerve
Deep petrosal nerve
Nerve (vidian) of pterygoid canal
Lesser petrosal nerve
Pterygopalatine ganglion
Mandibular nerve (CN V3)
Otic ganglion
Auriculotemporal nerve
Parotid gland
Tubal branch of tympanic plexus
Auditory tube (eustachian)
and pharyngeal opening
Stylopharyngeus muscle
and stylopharyngeal branch
Spinal tract and spinal nucleus of trigeminal nerve
Nuclei of solitary tract
Nucleus ambiguus
Inferior salivatory nucleus
Geniculate
ganglion
Glossopharyngeal
nerve (CN IX)
Jugular foramen
Communicating branch with
auricular branch of vagus nerve
Superior and
Inferior ganglia
Communication to facial
nerve (CN VII)
Vagus nerve (CN X)
Superior cervical
ganglion
Sympathetic trunk
Carotid sinus nerve
(of Hering)
Internal carotid artery
Carotid sinus
Carotid body
Common carotid artery
External carotid artery
Taste and
somatic
sensation:
posterior
1⁄3 of tongue
Pharyngeal plexus*
Pharyngeal, tonsillar, and lingual branches
*Pharyngeal plexus
is composed of
afferent fibers (CN IX),
efferent fibers (CN X),
and sympathetic fibers
Pharyngeal branch of vagus nerve
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