Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «R»:
Red cells: Short for red blood cells, the oxygen/carbon
dioxide carrying cells in blood. Also known acronymically as RBC's, red corpuscles or
erythrocytes (literally, red hollow vessels)....
Red corpuscles: Red corpuscles are cells that carry oxygen in the
blood. They are also called red blood cells or "RBCs." ...
Red Devils: Street name for dextromethorphan (DXM)....
Red ear syndrome
Red ear syndrome: An unusual type of head pain in which the ear becomes red and burning. Attacks may be brought on by triggers such as touching the ear, heat, chewing, drinking, coughing, sneezing, and neck movement. May be associated with migraine, irritation of the third cervical root, temporomand...
Red eye: Also called conjunctivitis. Redness or irritation of the conjunctivae, the membranes on the inner part of the eyelids and the membranes covering the whites of the eyes. These membranes react to a wide range of bacteria, viruses, allergy-provoking
agents, irritants and toxic agents. Viral an...
Red jungle fowl
Red jungle fowl: Gallus gallus, the ancestor of domestic chickens....
Red jungle fowl genome
Red jungle fowl genome: The genome of Gallus gallus, the ancestor of domestic chickens. See: Chicken genome....
Red Shield: Trade name of the insecticide dieldrin. See: Aldrin and dieldrin....
Red yeast rice
Red yeast rice: Rice that has been fermented by the red yeast, Monascus purpureus. Red yeast rice has long been used in traditional Chinese medicine. More recently, it has been used to lower blood lipids, including cholesterol and triglycerides. It acts to lower cholesterol because the red yeast Mon...
Red-green colorblindness: A form of colorblindness in
which red and green are perceived as identical. This is the most common type of colorblindness. It is inherited in an X-linked recessive manner and affects 6% of males. It is also known as deutan colorblindness, deuteranopia, and Daltonism.
Reduction division: The first cell division in meiosis,
the process by which germ cells are formed. A unique event in which the chromosome number
is reduced from diploid (46 chromosomes) to haploid (23 chromosomes). Also called first
meiotic division or first meiosis. ...
Reduction, breast: See: Breast reduction....
Reduviid bug: A winged insect. Reduviids include kissing bugs which transmit Chagas disease. See: Chagas disease....
Redux: See: Dexfenfluramine....
Reed-Sternberg cell: A type of cell that appears in
patients with Hodgkin's disease. The number of these cells increases as the disease