Caroticotympanic arteries

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Artery: Caroticotympanic arteries
Latin	arteriae caroticotympanicae, ramus caroticotympanicus
Gray's	subject #146 568
Supplies	tympanic cavity
Source	petrous portion of the internal carotid artery
Dorlands / Elsevier	a_61/12153652

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

The caroticotympanic branch (tympanic branch) is small; it enters the tympanic cavity through a minute foramen in the carotid canal, and anastomoses with the anterior tympanic branch of the internal maxillary, and with the stylomastoid artery.

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sup. thyroid	superior laryngeal - sternocleidomastoid branch - infrahyoid branch - cricothyroid branch - glandular branches
asc. pharyngeal	posterior meningeal - pharyngeal branches - inferior tympanic
lingual	suprahyoid - dorsal lingual - deep lingual - sublingual
facial	cervical branches (ascending palatine, tonsillar, submental, glandular) - facial branches (inferior labial, superior labial/nasal septum, lateral nasal, angular)
occipital	sternocleidomastoid - meningeal - occipital - auricular - descending
post. auricular	stylomastoid - stapedial - auricular - occipital
sup. temporal	transverse facial - middle temporal (zygomatico-orbital) - anterior auricular - frontal - parietal
maxillary	1st part/mandibular: anterior tympanic - deep auricular - middle meningeal (superior tympanic, petrosal) - accessory meningeal - inferior alveolar (mental, mylohyoid) 2nd part/pterygoid: to muscles of mastication (deep temporal, pterygoid, masseteric) - buccal 3rd part/pterygopalatine: posterior superior alveolar - infraorbital (anterior superior alveolar) - descending palatine (greater palatine, lesser palatine) - artery of the pterygoid canal - sphenopalatine (posterior septal branches, posterior lateral nasal)

CC/IC

cervical	carotid sinus
petrous	Vidian - caroticotympanic
cavernous/ ophthalmic	orbital group: posterior ethmoidal - anterior ethmoidal (anterior septal, anterior lateral nasal, anterior meningeal) - lacrimal (lateral palpebral) - medial palpebral - terminal (supraorbital, supratrochlear, dorsal nasal) ocular group: central retinal - ciliary (short posterior, long posterior, anterior) - hypophysial (superior, inferior)
cerebral/Willis	ACA (anterior communicating) - MCA (anterolateral central, lenticulostriate) - posterior communicating - anterior choroidal

vertebral artery	meningeal - spinal (posterior, anterior) - cerebellar (PICA) basilar: pontine - labyrinthine - cerebellar (AICA, SCA) - cerebral (PCA)
thyrocervical trunk	inferior thyroid: inferior laryngeal - tracheal - esophageal - ascending cervical - pharyngeal - glandular branches transverse cervical: superficial branch - deep branch/dorsal scapular suprascapular: acromial branch
costocervical trunk	deep cervical