Auris externa’s arteries Posterior auricular artery Branch of external carotid Anterior auricular artery Deep auricular artery Branch of superficial temporal artery Branch of maxillary artery A branch of occipital artery
VEINS
AURICULAR LYMPHATIC NODES
Auris externa’s nerves Greate auricular nerve Superficial branch of cervical plexus Lesser occipital nerve Superficial branch of cervical plexus Auriculotemporal nerve Branch of mandibular nerve Auricular nerve Branch of vagus nerve A branch of facial nerve
AURIS MEDIA
Auria media Epitympanic cavity Tympanic cavity
AUDITORY OSSICLES
Auditory ossicles malleus Incus stapes
MEMBRANOUS WALL
incu s Handle of malleus umb o
Promontor y Oval window Labyrinthine wall Round window Facial canal Prominen ce of lateral semisicula r
aditus Facial canal Mastoid wall Prominenc e of lateral semicircula r canal Pyramidal eminence Chorda tympani nerve
Auditory tube Tensor tympani’s canal Anterior wall Cochleari form process Caroticoty mpanic nerve Chorda tympani c nerve Lesser petrosal nerve
Auria media’s arteries Anterior tympani stylomastoid Inferior tympanic Superficial petrosal Branch of maxillary artery Branch of posterior auricular artery Branch of ascending pharyngeal artery Branch of middle meningeal artery Branch of external carotid Branch of maxillary Caroticotympani c Branch of internal carotid artery A branch of pterygoid artery A branch of maxillary artery