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2 天前 · A protein is a polyamide. Secondary structure: regularly repeating local structures stabilized by hydrogen bonds. The most common examples are the α-helix, β-sheet and turns. Because secondary structures are local, many regions of different secondary structure can be present in the same protein molecule.
4 天前 · Wound healing refers to a living organism's replacement of destroyed or damaged tissue by newly produced tissue. [1] In undamaged skin, the epidermis (surface, epithelial layer) and dermis (deeper, connective layer) form a protective barrier against the external environment. When the barrier is broken, a regulated sequence of biochemical events ...
2 天前 · Specialty. Dermatology, plastic surgery. Pattern hair loss (also known as androgenetic alopecia ( AGA) [1]) is a hair loss condition that primarily affects the top and front of the scalp. [2] [3] In male-pattern hair loss ( MPHL ), the hair loss typically presents itself as either a receding front hairline, loss of hair on the crown and vertex ...
6 天前 · Inflammation (from Latin: inflammatio) is part of the biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants. [1] [2] The five cardinal signs are heat, pain, redness, swelling, and loss of function (Latin calor, dolor, rubor, tumor, and functio laesa ). Inflammation is a generic response, and ...
4 天前 · What links here Related changes Upload file Special pages Permanent link Page information Cite this page Get shortened URL Download QR code Rash due to measles Many skin conditions affect the human integumentary system—the organ system covering the entire surface of the body and composed of skin, hair, nails, and related muscle and glands. [1]
2 天前 · Testosterone is used as a medication for the treatment of male hypogonadism, gender dysphoria, and certain types of breast cancer. [13] [54] This is known as hormone replacement therapy (HRT) or testosterone replacement therapy (TRT), which maintains serum testosterone levels in the normal range.
5 天前 · Type 2 diabetes ( T2D ), formerly known as adult-onset diabetes, is a form of diabetes mellitus that is characterized by high blood sugar, insulin resistance, and relative lack of insulin. [6] . Common symptoms include increased thirst, frequent urination, fatigue and unexplained weight loss. [3] .
