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Progressive breakdown and loss of articular cartilage matrix.

Disorders of the quality of speech characterized by the substitution, omission, distortion, and addition of phonemes.

The shifting and or tilting of implanted artificial lens resulting in impaired vision.

A form of pneumoconiosis caused by inhalation of asbestos fibers which elicit potent inflammatory responses in the parenchyma of the lung. The diseas…

Infection by nematodes of the genus ASCARIS. Ingestion of infective eggs causes diarrhea and pneumonitis. Its distribution is more prevalent in areas…

Infection with nematodes of the genus ASCARIDIA. This condition usually occurs in fowl, often manifesting diarrhea.

Infections with nematodes of the order ASCARIDIDA.

Granulomatous myocardial lesion containing activated macrophages, lymphocytes, and characteristic Anitschkow cells.

Residual high-priority semantic candidate found after excluding all completed reclassification sources.

A condition due to a dietary deficiency of ascorbic acid (vitamin C), characterized by malaise, lethargy, and weakness. As the disease progresses, jo…

A recessively inherited, progressive lysosomal storage disease caused by a deficiency of GLYCOSYLASPARAGINASE activity. The lack of this enzyme activ…

Infections with fungi of the genus ASPERGILLUS.

Hypersensitivity reaction (ALLERGIC REACTION) to fungus ASPERGILLUS in an individual with long-standing BRONCHIAL ASTHMA. It is characterized by pulm…

A condition characterized by the complete absence of SEMEN. This disorder should be differentiated from AZOOSPERMIA, absence of sperm in the semen.

A pathological condition caused by lack of oxygen, manifested in impending or actual cessation of life.

Respiratory failure in the newborn. (Dorland, 27th ed)

Residual high-priority semantic candidate found after excluding all completed reclassification sources.

Term generally used to describe complaints related to refractive error, ocular muscle imbalance, including pain or aching around the eyes, burning an…

A condition in which the percentage of motile sperm is abnormally low.

A form of bronchial disorder with three distinct components: airway hyper-responsiveness (RESPIRATORY HYPERSENSITIVITY), airway INFLAMMATION, and int…

Syndrome with clinical features of both ASTHMA and COPD.

Asthmatic adverse reaction (e.g., BRONCHOCONSTRICTION) to conventional NSAIDS including aspirin use.

Asthma attacks following a period of exercise. Usually the induced attack is short-lived and regresses spontaneously. The magnitude of postexertional…

Asthma attacks caused, triggered, or exacerbated by OCCUPATIONAL EXPOSURE.

Unequal or irregular curvature of the CORNEA (Corneal astigmatism) and/or the EYE LENS (Lenticular astigmatism) resulting in REFRACTIVE ERROR.

Neoplasms of the brain and spinal cord derived from glial cells which vary from histologically benign forms to highly anaplastic and malignant tumors…

Infections with ASTROVIRIDAE, causing gastroenteritis in human infants, calves, lambs, and piglets.

Diseases that do not exhibit symptoms.

Infections that do not exhibit symptoms.

Impairment of the ability to perform smoothly coordinated voluntary movements. This condition may affect the limbs, trunk, eyes, pharynx, larynx, and…