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The diagram shows the shape and location of most of these components: antihelix forms a 'Y' shape where the upper parts are: Superior crus (to the left of the fossa triangularis in the diagram) Inferior crus (to the right of the fossa triangularis in the diagram) Antitragus is below the tragus; Aperture is the entrance to the ear canal
The visible part is called the auricle, also known as the pinna, especially in other animals.It is composed of a thin plate of yellow elastic cartilage, covered with integument, and connected to the surrounding parts by ligaments and muscles; and to the commencement of the ear canal by fibrous tissue.
The outer ear is the external portion of the ear and includes the fleshy visible auricle, the ear canal, and the outer layer of the eardrum (also called the tympanic membrane). [2] [3] The auricle consists of the curving outer rim called the helix, the inner curved rim called the antihelix, and opens into the ear canal.
The helix is the prominent rim of the auricle. ... This article incorporates text in the public domain from page 1033 of the 20th edition of Gray's Anatomy (1918)
The ear canal (external acoustic meatus, external auditory meatus, EAM) is a pathway running from the outer ear to the middle ear.The adult human ear canal extends from the auricle to the eardrum and is about 2.5 centimetres (1 in) in length and 0.7 centimetres (0.3 in) in diameter.
Auricle, auricula or auricula may refer to: Auricle (anatomy), the external portion of the ear; Auricle, former name of the atrium of the heart; still used to describe this chamber in some other animals; Auricle (botany), an ear-like projection on the base of a leaf or petal; Auricles, ear-like projections at the base of the head of a planarium
1 Medicine and anatomy. 2 Arts. 3 See also. Toggle the table of contents. Auricular. Add languages. ... auricle, or pinna, the visible part of the outer ear; Auricle ...
The antitragus is a feature of mammalian ear anatomy. In humans, it is a small tubercle on the visible part of the ear, the auricle. The antitragus is located just above the earlobe and points anteriorly. It is separated from the tragus by the intertragic notch.