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Ear hair is the terminal hair arising from folliculary cartilage inside the external auditory meatus in humans. [1] In its broader sense, ear hair may also include the fine vellus hair covering much of the ear, particularly at the prominent parts of the anterior ear, or even the abnormal hair growth as seen in hypertrichosis and hirsutism .
Threading allows for a more defined and precise shape and can create better definition for eyebrows. It is also used as a method of removing unwanted hair on the entire face and upper lip area. Threading is not a good method for removing hair on arms or legs, as the hair in those regions is typically quite coarse and there is too much to remove.
The more damage the hair sustains, the shorter the lifespan of the artificial hair. Most human hair extensions can be treated as real hair, albeit more gently. *Since human hair extensions are usually heavily processed to achieve uniform color and texture, a mild shampoo is recommended, along with a light conditioner to reduce tangling.
Hair cells send signals down sensory nerve fibers which are interpreted by the brain as motion. In addition to sensing acceleration of the head, the otoliths can help to sense the orientation via gravity's effect on them. When the head is in a normal upright position, the otolith presses on the sensory hair cell receptors.
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This membrane is weighted with calcium carbonate-protein granules called otoliths. The otolithic membrane adds weight to the tops of the hair cells and increases their inertia. The addition in weight and inertia is vital to the utricle's ability to detect linear acceleration, as described below, and to determine the orientation of the head. [3]
In human newborns, the inner ear is fully mature. Thus, hair cell loss results in loss of hearing at any postnatal stage. The adult mammalian inner ear lacks the capacity to divide or regenerate spontaneously hair cells. [27] This is to say that neither direct transdifferentiation nor mitotic division have the innate ability to restore hair cells.
And trust that hair color was considered just as carefully as style. "We knew that we didn't want it to be black. But, you know, that nearly black—1B," says Erivo.