A condition in which joints in the body become inflamed, stiff, painful, and sometimes deformed because of the body’s own immune system attacking the tissues. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org
Health Answer Category: General
What is Rh blood group?
A blood group classifying whether the substances called Rhesus (Rh) factors are present on the surface of red blood cells; the “positive” or “negative” designation in blood classification (for example, “O negative”). Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org
What is Reye’s syndrome?
A rare disorder mainly affecting those under the age of 15 that is characterized by brain and liver damage following a viral infection such as chickenpox or the flu; may be linked to taking aspirin to treat a viral infection. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org
What is Retroviruses?
A group of viruses that are made up of RNA instead of DNA, including HIV and the virus that causes T-cell leukemia. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org
What is Retinoid?
A substance resembling vitamin A that is used to treat skin conditions such as acne and has been reported to reduce skin wrinkling. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org
What is Retinoscopy?
A method of determining focusing errors of the eye in which light is shined through the pupil and the reflected beam is measured. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org
What is Retinoblastoma?
A hereditary, cancerous tumor of the retina affecting infants and children. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org
What is Retinopathy?
Any disease or disorder of the retina; usually refers to damage to the retina caused by high blood pressure or diabetes mellitus. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org
What is Rheumatic Fever?
A disorder that follows a throat infection by the streptococcus bacteria and causes inflammation in body tissues. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org
What is Resting Pulse?
The pulse rate when a person is not experiencing any physical activity or mental stress. Reference: •American Medical Association Definitions of Medical Terms – https://www.ama-assn.org