"The ascending portion of the helix shares its lymph drainage pathway with the tragus, concha and inferior crus of the antihelix, draining into the pre-auricular lymph node. The superior and descending portions drain to the retroauricular lymph node 3."
"descending or posterior: inferior to the Darwin tubercle, ending at the superior edge of the ear lobe, the most inferior end of which may be non-cartilaginous"
Expected headings
"Arterial supply"
"Venous drainage"
"Lymphatic drainage"
"Innervation"
"The ascending portion of the helix shares its lymph drainage pathway with the tragus, concha and inferior crus of the antihelix, draining into the pre-auricular lymph node. The superior and descending portions drain to the retroauricular lymph node 3."
"The external ear is developed from six hillocks. The first three auricular hillocks, hillocks 1 to 3, are derived from the first pharyngeal arch and are the embryological origins for the tragus, helix and cymba concha 5."