Ear (pinna) Flashcards
The outer rim of the ear has the general shape of a question mark. Begins superior to the lobe and ends by attaching to the neck
Helix
The fossa between the inner and outer rims of the ear. It is the shallowest depression of the ear
Scapha
The inner rim of the ear. It starts at the superior border of the lobe and continues upward until it ends by becoming the crura. It forms the superior and posterior walls of the concha
Anti helix
The superior and anterior bifurcating branches of the antihelix
Crura
Depression between the crura. The second deepest depression of the ear located posterior and superior to the ear passage
Triangular fossa
Concave shell of the ear, the deepest depression of the ear located posterior and superior to the ear passage.
Concha
An elevation protecting the ear passage. Arises from the posterior margin of the lateral cheek
Tragus
A small eminence obliquely opposite of the tragus. Located on the superior border of the lobe of the ear
Antitragus
A notch or opening between the tragus and antitragus of the ear,
Intertragic notch
Inferior fatty 1/3 of the ear. Most inferior part of the ear, attaches to the cheek
Lobe
The origin of the helix that is flattened and ends at the concha
Crus