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Crus of the helix is just above the tragus; Cymba conchae is the narrowest end of the concha; External auditory meatus is the ear canal; Fossa triangularis is the depression in the fork of the antihelix; Helix is the folded over outside edge of the ear
The helix is the prominent rim of the auricle. Where the helix turns downwards posteriorly, a small tubercle is sometimes seen, namely the auricular tubercle of Darwin.
The helicis major is a narrow vertical band situated upon the anterior margin of the helix. It arises below, from the spina helicis, and is inserted into the anterior border of the helix, just where it is about to curve backward. The helicis minor is an oblique fasciculus, covering the crus helicis.
The eardrum is made up of three layers (ectoderm, endoderm and connective tissue). The auricle originates as a fusion of six hillocks. The first three hillocks are derived from the lower part of the first pharyngeal arch and form the tragus, crus of the helix, and helix, respectively.
The Helicis minor (musculus helicis minor or smaller muscle of helix) is a small skeletal muscle.The helicis minor is an intrinsic muscle of the outer ear.The muscle runs obliques and covers the helical crus, part of the helix located just above the tragus.
A daith piercing is an ear piercing that passes through the ear's innermost cartilage fold, the crus of the helix. [1] The piercing is usually performed with a straight hollow needle. Captive bead rings are the most common jewellery type used. It can take from six to nine months for a daith piercing to heal.
The outer framework of the auricle is composed of the rim of the helix, which arises from the front and from below (anteriorly and inferiorly), from a crus (shank) that extends horizontally above the auditory canal. The helix merges downwards (inferiorly) into the cauda helices (tail of the helix), and connects to the lobule (earlobe).
The antihelix (anthelix) is a part of the visible ear; the pinna.The antihelix is a curved prominence of cartilage parallel with and in front of the helix on the pinna.. The antihelix divides above into two legs or crura; the crura antihelicis, between which is a triangular depression, the fossa triangularis.