Mindblown: a blog about philosophy.
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Scotomata
Temporary, island like, blind gaps in the visual field.
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Rhonchus (pi., rhonchi)
Rale or rattling in the throat, especially when it resembles snoring. Dry rattling in the throat or bronchus caused by partial obstruction. An unusual sound in the chest, heard through a stethoscope, caused by a partial blockage in the bronchi. Rhonchi, abnormal sound heard through a stethoscope, usually during expiration, as air passes through narrowed…
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Reed-Sternberg cells
Giant connective tissue cells with one or two large nuclei that are characteristic of Hodgkin’s disease. A giant, malignant, multinucleated B lymphocyte, the presence of which is the pathologic hallmark of Hodgkin’s disease. Hodgkin’s lymphoma can be identified by the presence of malignant cells within the body. These aberrant cells, with their cancerous nature, serve…
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Raynaud’s phenomenon
Intermittent interruptions of blood supply to the fingers, toes, and sometimes the ears, marked by severe pallor of these parts and accompanied by numbness, tingling, or severe pain. A temporary constriction of arterioles in the skin causing short episodes of numbness and color changes in the fingers and toes. This condition is usually idiopathic. A…
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Rales
Abnormal respiratory sound heard on auscultation of the lungs and produced by the movement of air through secretion-filled or constricted bronchial passages. An abnormal crackling sound made by the lungs during inspiration; indicative of fluid in a bronchus. An abnormal sound that is produced by the lungs by various types of pulmonary diseases. Abnormal chest…
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Radioisotope
Radioactive form of an element. Some are commonly used for diagnostic or therapeutic purposes. A radioactive form of an element. An isotope of a chemical element which is radioactive. Radioactive isotope of an element used in medicine for diagnostic and therapeutic purposes. An isotope that is radioactive; radioisotopes are used clinically in diagnostic and therapeutic…
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Pyuria
Pus in the urine. Presence of leukocytes (white blood cells) in the urine, usually a sign of urinary tract infection. Presence of high numbers of white blood cells in the urine, often attributable to infection of the bladder and urethra. The presence of white blood cells or pus in the urine. Pyuria is usually the…
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Pyoderma
Any acute, pus-causing, inflammatory skin disease. An eruption of pus in the skin. Any disease of the skin that produces pus. Any infected skin disease in which pus is produced.
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Pulse oximetry
Electronic device usually attached to the tip of a finger to determine oxygen concentration in the arterial blood. A method of measuring the oxygen content of arterial blood. Measurement of oxygen saturation of haemoglobin in a blood sample using a non-invasive device called a spectrophotometer. It is an important guide to the adequacy of breathing…
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Pulmonary infarction
Death of a localized area of lung tissue resulting from an interruption of blood flow to that area. Generally caused by a pulmonary embolism. The death of lung tissue from an insufficient blood supply to a part of the lungs. Pulmonary infarction may be associated with pulmonary embolism. The disorder can also be caused by…
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