Category: R
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Racemosus
Having flowers in racemes.
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Rainforest
Usually evergreen, broad-leafed forest type with high, evenly distributed rainfall throughout the year. Dense forest growing in regions of high rainfall, mainly in the tropics. True rainforest is characterized by an unbroken foliage canopy and the presence of many large climbing plants and epiphytes, though in cooler areas the epiphytes are mostly smaller mosses, liverworts…
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Rhizomorph
A rootlike structure attached to the stem base, black and hard, carbonaceous, often penetrating the substrate; common in Armillaria and some species of Marasmius.
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Radially arranged
Radiating from a central point, like the spokes of a wheel, as in differently colored or shaded fibrils on the cap of a fungus.
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Radially symmetrical
Symmetry spreading from a common center, equal in all directions, like a wheel.
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Rejuvenative
A substance that tonifies and nourishes the whole system. An agent that renews body, mind, and spirit; it can slow the aging process, counteract stress, and increase endurance. Rejuvenatives are usually tonics.
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Ranjaka pitta
The aspect of pitta that lives in the liver and spleen and affects the quality of blood.
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Rheumatoid factor
A macro globulin type of antibody; increased levels are found in the blood of persons with rheumatoid arthritis. An antibody found in the blood serum of many people who have rheumatoid arthritis. Antibodies found in the serum of many people (about 70%) with rheumatoid arthritis, but also occurring in persons with certain other connective tissue…
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Reticuloendothelial
Refers to the system responsible for phagocytosis of cellular debris, pathogens, and foreign substances and for removing them from the circulation. To the reticuloendothelial system, which is the old name for the mononuclear phagocytic system.
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Raccoon eyes
Dark discoloration (bruising) around the eyes; a sign of possible basilar skull fracture.