Category: R
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Raktapittashamana
Palliative in hemorrhagic diathesis.
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Raktapittaghna
Indicated in the therapy of hemorrhagic diathesis.
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Rakta bhar vardhak
A vasoconstrictor.
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Rakta bhar samak
A vasodilator.
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Raktaateesaarashamana
Palliative in hemorrhagic dysentery.
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Rush
A genus of tall perennial herbs resembling grasses. They grow in wet places and have unbranched round stems; narrow, flat grassy leaves; and small clusters of greenish or brown flowers. Any of a large group of monocotyledonous plants, commonly found in boggy and marshy areas, with erect tufts of thin, straight, green stems and heads…
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Rosette, basal rosette
A circular cluster of leaves at ground level. Leaves radiating directly from the crown of the root.
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Ring (annulus)
In mushrooms, a membranous ring found on mature stems of some species; remnant of partial veil. Ring of tissue left on the stem from the remains of a veil. Tissue left on the stem from the remains of a veil; annulus. A circle of tissue, or tissue or muscle shaped like a circle.
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Red tide or red water
Concentration of toxic species of algae that cause a reddish coloration in water. A dense growth of marine algae (dinoflagellates) in coastal waters. The tide may discolor the surface of the ocean, giving seawater a red, green, or brown appearance. The algae that cause the tide produce a variety of poisons which may kill marine…
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Ray flower
Ligulate flower, with corolla flattened and strap-like above a very short tube (e.g., the outer “petal” of a daisy, actually comprising a single flower in a composite head). The small, straplike flowers found on the heads of members of Asteraceae. The margin flowers on a composite head, usually sterile, that resemble single petals. (Example: the…