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Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration. The bruise then remains visible until the blood is either absorbed by tissues or cleared by immune system action. Bruises which do not blanch under pressure can involve capillaries at the level of skin, subcutaneous tissue, muscle, or bone ...
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]
S. Saber shin; Saddle nose; Salmonellosis; Scarlet fever; Scrub typhus; Septic sore; Serpiginous ulceration of the groin; Shigellosis; Soft chancre; Spotted fever ...
Long-term steroid use, on the other hand, causes thinning of the skin, making it more susceptible to bruising. That same logic applies to older folks’ tendency to bruise like a peach.
Microorganisms play a role in noninfectious skin diseases such as atopic dermatitis, [34] rosacea, psoriasis, [35] and acne [36] Damaged skin can cause nonpathogenic bacteria to become pathogenic. [37] The diversity of species on the skin is related to later development of dermatitis. [38]
A skin infection is an infection of the skin in humans and other animals, that can also affect the associated soft tissues such as loose connective tissue and mucous membranes. [ citation needed ] They comprise a category of infections termed skin and skin structure infections (SSSIs), or skin and soft tissue infections (SSTIs), [ 1 ] and acute ...
In short, melasma is a chronic skin condition that appears as darkened areas on the face due to an overproduction of melanin, says Gina Charles, MO, a family physician specializing in skincare. It ...
The E. coli infections were linked to contaminated onions served on McDonald's Quarter Pounder hamburgers, according to the U.S. Centers for Disease and Prevention (CDC), which continues to ...