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A nail is a protective plate characteristically found at the tip of the digits (fingers and toes) of all primates, corresponding to the claws in other tetrapod animals. . Fingernails and toenails are made of a tough rigid protein called alpha-keratin, a polymer also found in the claws, hooves and horns of ver
From the mid-1980s, Jackson's appearance began to change dramatically. The changes to his face triggered widespread speculation of extensive cosmetic surgery, and his skin tone became much lighter. [1] [2] Jackson was diagnosed with the skin disorder vitiligo, which results in white
A spider envenomation occurs whenever a spider injects venom into the skin. Not all spider bites inject venom – a dry bite, and the amount of venom injected can vary based on the type of spider and the circumstances of the encounter. The mechanical injury from a spider bite is not a serious concern for humans.
Skin, whites of eyes and mouth Bruise: Blue or black area after being hit Anywhere Actinic keratoses: Scaly, pink, gray or tan patches or bumps Face, scalp or on the backs or the hands Keloid or hypertrophic scar: Scar that has grown larger than expected Anywhere Lipoma: Soft or rubbery growth Anywhere Milia: Many white spots On the face of a baby
Saethre–Chotzen syndrome (SCS), also known as acrocephalosyndactyly type III, is a rare congenital disorder associated with craniosynostosis (premature closure of one or more of the sutures between the bones of the skull).
Bubonic plague is one of three types of plague caused by the bacterium Yersinia pestis. [1] One to seven days after exposure to the bacteria, flu-like symptoms develop. [1] These symptoms include fever, headaches, and vomiting, [1] as well as swollen and painful lymph nodes occurring in the area closest to where the bacteria entered the skin. [2]
Also known as "true" leukonychia, this is the most common form of leukonychia, in which small white spots appear on the nails. Picking and biting of the nails are a prominent cause in young children and nail biters. Besides parakeratosis, air that is trapped between the cells may also cause this appearance. [5] It is also caused by trauma.
The only sign of vitiligo is the presence of pale patchy areas of depigmented skin which tend to occur on the extremities. [7] [8] Some people may experience itching before a new patch appears. [9] The patches are initially small, but often grow and change shape. [7] [10] When skin lesions occur, they are most prominent on the face, hands and ...