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Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints. [1] It typically results in warm, swollen, and painful joints. [1] Pain and stiffness often worsen following rest. [1] Most commonly, the wrist and hands are involved, with the same joints typically involved on both sides of the body. [1]
Ra was portrayed as a falcon and shared characteristics with the sky-god Horus. At times, the two deities were merged as Ra-Horakhty, "Ra, who is Horus of the Two Horizons". When the god Amun rose to prominence during Egypt's New Kingdom, he was fused with Ra as Amun-Ra.
Rheumatoid arthritis (RA) is a disorder in which the body's own immune system starts to attack body tissues specifically the cartilage at the end of bones known as articular cartilage. [47] The attack is not only directed at the joint but to many other parts of the body.
A resident assistant (RA), also known by a variety of other names, [note 1] is a trained peer leader who coordinates activities in residence halls in colleges and universities, mental health and substance abuse residential facilities, [1] or similar establishments.
The European Rheumatoid Arthritis Surgical Society (ERASS) was founded in 1979. [ 17 ] Around the turn of the 21st century, focus for treatment of patients with rheumatic disease shifted, and pharmacological treatment became dominant, while surgical interventions became rarer.
Right ascension (abbreviated RA; symbol α) is the angular distance of a particular point measured eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point in question above the Earth. [1]
Radium is a chemical element; it has symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals.
Ra (kana), the Japanese kana ら and ラ; ረ and ራ, Amharic letters that can be read as variations of ra, also related to the Semitic resh; Resh or rāʾ, 10th letter of Arabic alphabet; Ռ or ṙa, the 28th letter in the Armenian alphabet; र, ड़', ढ़, and र्ह, Devanagari letters which can be called ra, ṛa or rha