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The helicis major (or large muscle of helix [1]) is an intrinsic muscle of the outer ear. In human anatomy , it is the form of a narrow vertical band situated upon the anterior margin of the helix , at the point where the helix becomes transverse.
The helicis minor is an oblique fasciculus, covering the crus helicis. The tragicus is a short, flattened vertical band on the lateral surface of the tragus. Also known as the mini lobe. The antitragicus arises from the outer part of the antitragus, and is inserted into the cauda helicis and antihelix.
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. The helicis minor originates from the base of the helical crus, runs obliques and inserts at the anterior aspect of the helical crus where it curves upward above the tragus. [1]
The antitragicus is an intrinsic muscle of the outer ear. In human anatomy, the antitragicus arises from the outer part of the antitragus, and is inserted into the cauda helicis (or tail of the helix) and antihelix. [1] [2] The function of the muscle is to adjusts the shape of the ear by
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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 Outer ear consists of the pinna or auricle (visible parts including ear lobes and concha), and the auditory meatus (the passageway for sound). The fundamental function of this part of the ear is to gather sound energy and deliver it to the eardrum. Resonances of the external ear selectively boost sound pressure with frequency in the range 2 ...
A spectral cue is a monaural (single ear) cue for locating incoming sounds based on the distribution of the incoming signal. The differences in distribution (or spectrum) of the sound waves are caused by interactions of the sounds with the head and the outer ear before entering the ear canal. [12]