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 .

May 17, 2024 · Antihelix: This is a Y-shaped ridge inside the helix that follows the outer curve of the ear. Crux helix: This C-shaped ridge extends from the top of the helix to the bottom of the antihelix. Tragus and antitragus: These are smaller ridges of cartilage that encircle the ear canal.

Chondrodermatitis nodularis is a common inflammatory condition which affects the skin and cartilage of the helix or antihelix of the ear. Chondrodermatitis nodularis is sometimes called Winkler disease, after the dermatologist who described it in 1915.

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Antihelix: A Y-shaped curved cartilaginous ridge arising from the antitragus and separating the concha, triangular fossa, and scapha. The antihelix represents a folding of the conchal cartilage and it usually has similar prominence to a well-developed helix.

May 17, 2024 · The antihelix of the ear refers to the Y-shaped cartilage within the external ear, it lies next to the scapha of the ear, the ridge separating the helix from the antihelix.

Superiorly, the antihelix divides into a superior and inferior crus, which surround the fossa triangularis. The depression between the helix and antihelix is known as the scapha or scaphoid fossa. The antihelical fold surrounds the concha, a deep cavity posterior to …

Weathering nodules may be found in the helix and antihelix of the ear. They are most common in older White men and are usually bilateral and occur in multiples.

Tubercles 4 through 6 arise from the second branchial arch and form the (4) antihelix, (5) antitragus, and (6) lobule. Unusual anomaly of the external ear This usually starts along the helix or antihelix and gradually involves entire ear and may eventually form an abscess.

Aug 16, 2020 · A second innermost curvature runs in parallel with the helix – the antihelix. The antihelix divides into two cura; the inferoanterior crus, and the superoposterior crus. In the middle of the auricle is a hollow depression, called the concha .