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Snakebite. A snakebite is an injury caused by the bite of a snake, especially a venomous snake. [9] A common sign of a bite from a venomous snake is the presence of two puncture wounds from the animal's fangs. [1] Sometimes venom injection from the bite may occur. [3] This may result in redness, swelling, and severe pain at the area, which may ...
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]
An estimated 30% of individuals with autism spectrum disorders engage in self-harm at some point, including eye-poking, skin-picking, hand-biting, and head-banging. [ 58 ] [ 59 ] According to a meta-analysis that did not distinguish between suicidal and non-suicidal acts, self-harm is common among those with schizophrenia and is a significant ...
Federal agents have boarded a vessel managed by the same company as a cargo ship that caused the deadly Baltimore bridge collapse, the FBI has confirmed. In statements Saturday, spokespeople for ...
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. [2] Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, and tingling in the hands and feet. [1]
Psoriasis is a long-lasting, noncontagious autoimmune disease characterized by patches of abnormal skin. [4][5] These areas are red, pink, or purple, dry, itchy, and scaly. [8][3] Psoriasis varies in severity from small localized patches to complete body coverage. [3] Injury to the skin can trigger psoriatic skin changes at that spot, which is ...
Trisomy 21. Down syndrome (also known by the karyotype 47,XX,+21 for females and 47,XY,+21 for males) [98] is mostly caused by a failure of the 21st chromosome to separate during egg or sperm development, known as nondisjunction. [91] As a result, a sperm or egg cell is produced with an extra copy of chromosome 21; this cell thus has 24 ...
Rabies is a viral disease that causes encephalitis in humans and other mammals. [ 1 ] It was historically referred to as hydrophobia ("fear of water") due to the symptom of panic when presented with liquids to drink. Early symptoms can include fever and abnormal sensations at the site of exposure. [ 1 ]