Auricle of the Ear Flashcards
What parts make up the external ear?
- auricle
- external acoustic/auditory meatus
What type of cartilage forms the auricle?
elastic cartilage
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?
antihelix
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?
triangular fossa
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?
concha
What is the name of the eminence anterior to the concha?
tragus
What is the really stupid name that we have to know for the tragus for this really, really dumb class?
goat’s beard
What is the name of the indentation between the tragus and antitragus?
intertragic incisure
What is the name of the rounded elevation superior to the lobule of the auricle?
antitragus
What is the name given to the fatty, suspensory, inferior part of the auricle?
lobule
What is the name given to the palpable posterior projection corresponding to the triangular fossa of the auricle?
eminentia triangularis
What is the name given to the palpable posterior projection corresponding to the concha of the auricle?
eminentia concha
What is the name of the palpable posterior projection of the eminentia concha of the auricle?
ponticulus