Flashcards in Auricle of the Ear Deck (54)
What parts make up the external ear?
- external acoustic/auditory meatus
What type of cartilage forms the auricle?
What features are commonly observed in the skin of the ear?
- hair follicles
- sweat glands
- sebaceous glands
What is the helix of the external ear?
the rounded outer rim of the auricle
What is the name given to the anterior fold of the helix above the tragus?
the crus of the helix
What is the spine of the helix of the external ear?
the palpable anterior projection of the helix
What is the scaphoid fossa of the external ear?
the depression under the rim of the helix
What is the rounded inner rim of the external ear?
What is the superior crus of the antihelix?
the rounded linear upper extension of the antihelix
What is the inferior crus of the antihelix?
the rounded linear lower extension of the antihelix
What is formed between the crura of the antihelix?
What is the cymba concha?
the part of the concha between the helix and the inferior crus of the antihelix
What is the name of the cavity leading into the external auditory meatus?
What is the name of the eminence anterior to the concha?
What is the really stupid name that we have to know for the tragus for this really, really dumb class?
What is the name of the indentation between the tragus and antitragus?
What is the name of the rounded elevation superior to the lobule of the auricle?
What is the name given to the fatty, suspensory, inferior part of the auricle?
What is the name given to the palpable posterior projection corresponding to the triangular fossa of the auricle?
What is the name given to the palpable posterior projection corresponding to the concha of the auricle?
What is the name of the palpable posterior projection of the eminentia concha of the auricle?
Identify the extrinisic muscles of the auricle.
- anterior auricular
- superior auricular
- posterior auricular
Which C.N. will innervate the muscles of the auricle?
What is the innervation of the extrinisic muscles of the auricle?
posterior auricular and temporal branches of the facial nerve
What innervates the anterior auricular, superior auricular, and temporoparietalis muscles?
temporal branch of the facial nerve
Posterior auricular branches of the facial nerve will supply motor fibers to which extrinsic auricular muscle?
posterior auricular muscle
What specific branches of the facial nerve plexus provide motor innervation to the scalp?
- posterior auricular
What muscles associated with the scalp will be innervated by the temporal, zygomatic, and posterior auricular nerves?
- superior group of muscles of the ear
Which branches of the external carotid artery supply the auricle?
- occipital a.
- posterior auricular a.
- superficial temporal a.