Search the Dictionary

A small calcareous concretion formed in a vein; a vein stone.

A variety of calcite, or calcium carbonate, consisting of aggregated globular concretions about the size of a pea; -- called also peastone, peagrit.

Of or pertaining to the kidneys; in the region of the kidneys. Renal calculus (Med.), a concretion formed in the excretory passages of the kidney. -- Renal capsules or glands, the suprarenal capsules. See under Capsule. -- Renal casts, Renal colic. (Med.) See under Cast, and Colic.

A concretion formed within the cavities of the nose.

A flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals.

A calculous concretion, especially one in the kidneys or bladder; the disease arising from a calculus.

A concretion in the joints of the bamboo, which consists largely or chiefly of pure silica. It is highly valued in the East Indies as a medicine for the cure of bilious vomitings, bloody flux, piles, and various other diseases.

One of the mineral concretions about the joints, and in other situations, occurring chiefly in gouty persons. They consist usually of urate of sodium; when occurring in the internal organs they are also composed of phosphate of calcium.

A white concretionary form of calcium carbonate, usually hard and semicrystalline. It is deposited from the water of springs or streams holding lime in solution. Extensive deposits exist at Tivoli, near Rome.

er as the free acid or as a urate, of urinary or renal calculi and of the so-called gouty concretions. From acid urines, uric acid is frequently deposited, on standing in a cool place, in the form of a reddish yellow sediment, nearly always crystalline. Chemically, it is composed of carbon, hydrogen, nitrogen, and oxyg…

Resembling, or being of the nature of, urine. Urinary calculus (Med.), a concretion composed of some one or more crystalline constituents of the urine, liable to be found in any portion of the urinary passages or in the pelvis of the kidney. -- Urinary pigments, (Physiol. Chem.), certain colored substances, urochrome,…

The quality or state of being viscid; also, that which is viscid; glutinous concretion; stickiness.