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The tragus is a key feature in many bat species. As a piece of skin in front of the ear canal, it plays an important role in directing sounds into the ear for prey location and navigation via echolocation. [6] Because the tragus tends to be prominent in bats, it is an important feature in identifying bat species. [7]
The term echolocation was coined by 1944 by the American zoologist Donald Griffin, who, with Robert Galambos, first demonstrated the phenomenon in bats. [1] [2] As Griffin described in his book, [3] the 18th century Italian scientist Lazzaro Spallanzani had, by means of a series of elaborate experiments, concluded that when bats fly at night, they rely on some sense besides vision, but he did ...
The ears of microbats possess a tragus (thought to be crucial in echolocation) and are relatively larger than megabat ears, whereas megabat ears are comparatively small and lack a tragus. Megabat eyes are quite large, whereas microbat eyes are comparatively smaller.
The tragus (a projection on the inner side of the ear) is short, as is the ear itself, ... starting in 2008, on the basis of echolocation calls. [94] Switzerland
The tragus is short, at 4 mm (0.16 in). Its dental formula is 1.1 ... This species has the ability to change its echolocation style based on the environment that it ...
The tragicus, also called the tragus muscle or Valsalva muscle, [1] is an intrinsic muscle of the outer ear. It is a short, flattened vertical band on the lateral surface of the tragus . [ 1 ]
Antitragus is below the tragus; Aperture is the entrance to the ear canal; Auricular sulcus is the depression behind the ear next to the head; Concha is the hollow next to the ear canal; Conchal angle is the angle that the back of the concha makes with the side of the head; Crus of the helix is just above the tragus; Cymba conchae is the ...
The auricular branch of the vagus nerve is often termed the Alderman's nerve ("a reference to the old Aldermen of the City of London and their practice of using rosewater bowls at ceremonial banquets, where attendees were encouraged to place a napkin moistened with rosewater behind their ears in the belief that this would aid digestion") or Arnold's nerve (an eponym for Friedrich Arnold).