crystal (redirected from radiographic c's)

crystal /crys·tal/ (kris´t'l) a homogeneous angular solid of definite form, with systematically arranged elemental units.

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blood crystals  hematoidin crystals in the blood.

Charcot-Leyden crystals  elongated, diamond-shaped, birefringent crystals derived from disintegrating eosinophils, seen in serous fluids such as the bronchial secretions in asthma and in stools in some cases of intestinal parasitism.

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crys·tal (krstl)

n.

1. A homogenous solid formed by a repeating, three-dimensional pattern of atoms, ions, or molecules and having fixed distances between constituent parts.

2. A mineral, especially a transparent form of quartz that has a crystalline structure and is often characterized by external planar faces.

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crystal

[kris′təl]

Etymology: Gk, krystallos

a solid substance, either organic or inorganic, the atoms or molecules of which are arranged in a regular, repeating three-dimensional pattern, which determines the shape of a crystal. crystalline, adj.

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crystal [kris´t'l]

a homogeneous angular solid of definite form, with systematically arranged elemental units.

hydroxyapatite crystal microscopic crystals of hydroxyapatite occurring in joints or bursae in a variety of connective tissue disorders.

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crystal,

n distinctive form of molecule created when an element or chemical compound is frozen or slowly solidified. Each element or compound has a unique structure often used in gem healing and in amulets of pendulum.

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crystal(s),

n a naturally produced solid. The ultimate units of the substance from which it was formed are arranged systematically.

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crystal

a naturally produced angular solid of definite form.

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crystal-associated hepatopathy

see crystal-associated cholangiohepatopathy.

crystal-induced arthritis

see gout, pseudogout.

piezoelectric crystal

the source of sound waves in ultrasonography.

radiographic c's

crystals on radiographs caused by faulty use of fixative, commonly excess acidity or insufficient washing of the film.

synovial crystal

see gout, pseudogout.

tissue crystal

recognizable crystals in tissues occur in crystal-associated cholangiohepatopathy, zinc and oxalate poisoning.

urines c's

see crystalluria.

crystal violet

a brilliant organic deep purple dye.

crystal violet vaccine

an obsolete hog cholera (classical swine fever) vaccine.

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crystal

Drug slang A popular term for a crystallized form of methamphetamine; PCP; amphetamine; cocaine Urology Kidney stone, see there Vox populi A formed structure, often composed of a single type of material, which has a characteristic appearance by LM. See Birefringent crystal, Calcium oxalate crystal, Charcot-Leyden crystal, Coffin lid crystal, Hemoglobin C crystal, Jackstraw crystal, Lead crystal, Parking lot crystal, Piezoelectric crystal, Reinke crystal, Rhomboid crystal, Space crystal, Uric acid crystal, Washington monument crystal.