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The evolution of mammalian auditory ossicles was an evolutionary process that resulted in the formation of the bones of the mammalian middle ear. These bones, or ossicles, are a defining characteristic of all mammals. The event is well-documented [1] and important [2] [3] as a demonstration of transitional forms and exaptation, the re-purposing ...
Jaw. The jaws are a pair of opposable articulated structures at the entrance of the mouth, typically used for grasping and manipulating food. The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it and is part of the body plan of humans and most animals.
Ossicular replacement prosthesis. In medicine, an ossicular replacement prosthesis is a device intended to be implanted for the functional reconstruction of segments of the ossicles and facilitates the conduction of sound waves from the tympanic membrane to the inner ear. [1] There are two common types of ossicular replacement prostheses, the ...
Anatomical terminology. [ edit on Wikidata] The human earlobe ( lobulus auriculae ), the lower portion of the outer ear, is composed of tough areolar and adipose connective tissues, lacking the firmness and elasticity of the rest of the auricle (the external structure of the ear). In some cases the lower lobe is connected to the side of the face.
Frank's sign is a diagonal crease in the ear lobe extending from the tragus across the lobule to the rear edge of the auricle. [1] The sign is named after Sanders T. Frank. [1] It has been hypothesised that Frank's sign is indicative of cardiovascular disease [2] [3] and/or diabetes. [4] Some studies have described Frank's sign as a marker of ...
Otoplasty ( Greek: οὖς, oûs, "ear" + πλάσσειν, plássein, "to shape") is a procedure for correcting the deformities and defects of the auricle ( external ear ), whether these defects are congenital conditions (e.g. microtia, anotia, etc.) or caused by trauma. [1] Otoplastic surgeons may reshape, move, or augment the cartilaginous ...
Aerial straps. Straps, also known as aerial straps, are a type of aerial apparatus on which various feats of strength and flexibility may be performed, often in the context of a circus performance. It is a cotton or nylon web apparatus that looks like two suspended ribbons. Wrapping the strap ends around hands and wrists, the performer performs ...
The inner ear (internal ear, auris interna) is the innermost part of the vertebrate ear. In vertebrates , the inner ear is mainly responsible for sound detection and balance. [ 1 ] In mammals , it consists of the bony labyrinth , a hollow cavity in the temporal bone of the skull with a system of passages comprising two main functional parts: [ 2 ]