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− | In the |
+ | In the tympanic cavity the [[tympanic nerve]] divides into branches which form the '''tympanic plexus''' and are contained in grooves upon the surface of the promontory. |
This plexus gives off: |
This plexus gives off: |
Latest revision as of 09:02, 20 April 2007
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Nerve: Tympanic plexus | ||
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View of the inner wall of the tympanum. (Grooves for tympanic plexus labeled at center.) | ||
Plan of the facial and intermediate nerves and their communication with other nerves. (Tympanic plexus labeled at center.) | ||
Latin | plexus tympanicus | |
Gray's | subject #204 909 | |
Innervates | ||
From | ||
To | ||
MeSH | [1] |
In the tympanic cavity the tympanic nerve divides into branches which form the tympanic plexus and are contained in grooves upon the surface of the promontory.
This plexus gives off:
- (1) the lesser superficial petrosal nerve
- (2) a branch to join the greater superficial petrosal nerve
- (3) branches to the tympanic cavity
External links
- Dictionary at eMedicine Tympanic+plexus
- Norman/Georgetown cranialnerves (IX)
- Norman/Georgetown lesson3
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
I-IV: olfactory - optic - oculomotor - trochlear
V: trigeminal: trigeminal ganglion
V1: ophthalmic: lacrimal - frontal (supratrochlear, supraorbital) - nasociliary (long root of ciliary, long ciliary, infratrochlear, posterior ethmoidal, anterior ethmoidal) - ciliary ganglion (short ciliary)
V2: maxillary: middle meningeal - in the pterygopalatine fossa (zygomatic, zygomaticotemporal, zygomaticofacial, sphenopalatine, posterior superior alveolar)
in the infraorbital canal/infraorbital nerve (middle superior alveolar, anterior superior alveolar)
on the face (inferior palpebral, external nasal, superior labial, infraorbital plexus) - pterygopalatine ganglion (deep petrosal, nerve of pterygoid canal)
branches of distribution (palatine, nasopalatine, pharyngeal)
V3: mandibular: nervus spinosus - medial pterygoid - anterior (masseteric, deep temporal, buccal, lateral pterygoid)
posterior (auriculotemporal, lingual, inferior alveolar, mylohyoid, mental) - otic ganglion - submandibular ganglion
VI: abducens
VII: facial: nervus intermedius - geniculate - inside facial canal (greater petrosal, nerve to the stapedius, chorda tympani)
at exit from stylomastoid foramen (posterior auricular, digastric - stylohyoid)
on face (temporal, zygomatic, buccal, mandibular, cervical)
VIII: vestibulocochlear: cochlear (striae medullares, lateral lemniscus) - vestibular
IX: glossopharyngeal: fasciculus solitarius - nucleus ambiguus - ganglia (superior, petrous) - tympanic - carotid sinus
X: vagus: ganglia (jugular, nodose) - Alderman's nerve - in the neck (pharyngeal branch, superior laryngeal ext and int, recurrent laryngeal)
in the thorax (pulmonary branches, esophageal plexus) - in the abdomen (gastric plexuses, celiac plexus, gastric plexus)
XI: accessory XII: hypoglossal
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