"The antihelix can be divided into two parts, bifurcating around the triangular fossa1:"
"The external ear, including the antihelix, drains into three main lymph nodes: the pre-auricular, infra-auricular and retro-auricular nodes 3."
"The external ear, including the antihelix, drains into three main lymph nodes: the pre-auricular, infra-auricular and retro-auricular nodes 3."
Expected headings
"Blood supply"
"Lymphatic drainage"
"Innervation"
"The external ear is developed from six auricular hillocks arising from the first and second pharyngeal arches. The first pharyngeal arch gives rise to hillocks 1 to 3, and the second, forming auricular hillocks 4 to 6, the antihelix, antitragus and concha are derived from the latter 5."