Assertion: external ear | /r/HasProperty | derived
Facets:
value: from 6 surface hillocks
type: LOCATION
Source sentences:
text: The outer ear or external ear is derived from 6 surface hillocks (auricular hillocks), three on each of pharyngeal arch 1 and 2.
text: The outer ear or external ear is derived from 6 surface hillocks (auricular hillocks), three on each of pharyngeal arch 1 and 2.
text: The external ear is developed from ectodermal and mesodermal components of the first and second branchial arches and the intervening first branchial groove.8,9 Distinct condensations of tissue, known as the hillocks of His, give rise to the tragus and most of the helix from the first branchial arch, and to the antihelix, antitragus, lobule, and inferior helix from the second branchial arch.
text: The external ear is derived from 6 surface hillocks, 3 on each of pharyngeal arch 1 and 2.