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Chondrodysplasia
Chondrodysplasia Congenital condition in which there is a mutation of a collagen-associated gene. RELATED TERMS-------------------------------------- Congenital Present at birth. Condition The term "condition" has a number of biomedical meanings including the following: 1.An unhealthy state, such as in "this is a progressive condition." 2.A state of fitness, such as "getting into condition." 3.Something that is essential to the occurrence of something else; essentially a "precondition." 4.As a verb: to cause a change in something so that a response that was previously associated with a certain stimulus becomes associated with another stimulus; to condition a person, as in behavioral conditioning. Mutation A change in DNA that alters a gene and thus the gene's product, leading in some cases to deformity or disease. Mutations can occur spontaneously during cell division or can be triggered by environmental stresses, such as sunlight, radiation, and chemicals. Gene 1. A unit of DNA that carries information for the biosynthesis of a specific product in the cell. 2. Ultimate unit by which inheritable characteristics are transmitted to succeeding generations in all living organisms. Genes are contained by, and arranged along the length of, the chromosome. The gene is composed of deoxyribonucleic acid (DNA). Each chromosome of each species has a definite number and arrangement of genes, which govern both the structure and metabolic functions of the cells and thus of the entire organism. SIMILAR TERMS-------------------------------------- Chondritis Inflammation of the cartilage. Chondrocalcinosis Calcification of articular cartilage. May be associated with attacks of joint inflammation that may mimic gout ('Pseudogout'). Chondroitin sulfate A glycosaminoglycan (formerly called a mucopolysaccharide) found in cartilage, bone, blood vessels and connective tissues. There are two forms: chondroitin sulfate A and chondroitin sulfate C. One or both types accumulate abnormally in several of the mucopolysaccharidosis disorders. Chondroitin sulfate B is now called dermatan sulfate. Chondromalacia Softening of cartilage. Chondromalacia patellae A condition in which knee pain results from wear of the cartilage at the back of the kneecap (patella). Chondroplasia The formation of cartilage by specialized cells called chondrocytes. Chondrosarcoma A malignant tumor that forms in cartilage cells (chondroplasts) and that produces cartilage matrix. Chondrosarcoma can be primary or secondary. Primary chondrosarcoma forms in bone and is found in children. Secondary chondrosarcoma arises from preexisting benign defects of cartilage (such as an osteochondroma or enchondroma), usually after age 40. Treatment is mainly by surgery. PREVIOUS AND NEXT TERMS-------------------------------------- Cervical spondylosis Degenerative process in the spine in the neck. A combination of disc deterioration and osteoarthritis. Charcot joint Unusually destructive hypertrophic arthropathy resulting from impairment of sensory nerve supply. May occur in syphilis, syringomyelia and diabetes mellitus. Charnley Orthopaedic surgeon who devised first replacement hip prosthesis. Cheiroarthropathy Stiffness and thickening of the soft tissues of the hand, often with a 'waxy' appearance of the skin. May mimic scleroderma or other inflammatory arthritis. Occurs in long-standing insulin-dependent diabetes mellitus. Chondrocalcinosis Calcification of articular cartilage. May be associated with attacks of joint inflammation that may mimic gout ('Pseudogout'). Chondrodysplasia Chondromalacia patellae A condition in which knee pain results from wear of the cartilage at the back of the kneecap (patella). Churg-Strauss Syndrome Vasculitic disorder with predominant pulmonary eosinophilia. Collagen At a microscopic level, this is the 'skeleton' of most tissues in the body. Collagen disease See 'Connective tissue disease'. Colles fracture Fracture of distal radius and ulna just proximal to the wrist. We thank you for using the Medical Glossary to search for Chondrodysplasia. If you have a better definition for Chondrodysplasia than the one presented here, please let us know by making use of the suggest a term option. This definition of Chondrodysplasia may be disputed by other professionals. Our attempt is to provide easy definitions on Chondrodysplasia and any other medical topic for the public at large.
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