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Abnormal passage in any organ of the biliary tract or between biliary organs and other organs.

Diseases in any part of the BILIARY TRACT including the BILE DUCTS and the GALLBLADDER.

A form of alveolitis or pneumonitis due to an acquired hypersensitivity to inhaled avian antigens, usually proteins in the dust of bird feathers and …

Virus diseases caused by the BIRNAVIRIDAE.

A congenital coronary vessel anomaly in which the left main CORONARY ARTERY originates from the PULMONARY ARTERY instead of from AORTA. The congenita…

Infections with organisms of the genus BLASTOCYSTIS. The species B. hominis is responsible for most infections. Parasitologic surveys have generally …

A fungal infection by BLASTOMYCES that may appear in two forms: 1, a primary lesion characterized by the formation of a small cutaneous nodule and sm…

A malabsorption syndrome that is associated with a blind loop in the upper SMALL INTESTINE that is characterized by the lack of peristaltic movement,…

Hemorrhagic and thrombotic disorders that occur as a consequence of abnormalities in blood coagulation due to a variety of factors such as COAGULATIO…

Hemorrhagic and thrombotic disorders that occur as a consequence of inherited abnormalities in blood coagulation.

Disorders caused by abnormalities in platelet count or function.

Hematologic diseases caused by structural or functional defects of BLOOD PROTEINS.

Diseases due to or propagated by body fluids from hosts whose BLOOD has been contaminated with pathogens.

A condition that is caused by recurring atheroembolism in the lower extremities. It is characterized by cyanotic discoloration of the toes, usually t…

A reovirus infection, chiefly of sheep, characterized by a swollen blue tongue, catarrhal inflammation of upper respiratory and gastrointestinal trac…

Decrease, loss, or removal of the mineral constituents of bones. Temporary loss of bone mineral content is especially associated with space flight, w…

Diseases of the bones related to hyperfunction or hypofunction of the endocrine glands.

Bone diseases caused by pathogenic microorganisms.

Diseases that affect the METABOLIC PROCESSES of BONE TISSUE.

Diseases involving the BONE MARROW.

Inherited or acquired diseases characterized by insufficient and/or dysplastic blood cells.

Congenital disorder of lambs caused by a virus closely related to or identical with certain strains of bovine viral diarrhea virus.

Infections with bacteria of the genus BORDETELLA.

An encephalomyelitis of horses, sheep and cattle caused by BORNA DISEASE VIRUS.

Infections with bacteria of the genus BORRELIA.

A disease caused by potent protein NEUROTOXINS produced by CLOSTRIDIUM BOTULINUM which interfere with the presynaptic release of ACETYLCHOLINE at the…

A multifactorial disease of CATTLE resulting from complex interactions between environmental factors, host factors, and pathogens. The environmental …

Acute disease of cattle caused by the bovine viral diarrhea viruses (DIARRHEA VIRUSES, BOVINE VIRAL). Often mouth ulcerations are the only sign but f…

Cardiac arrhythmias that are characterized by excessively slow HEART RATE, usually below 50 beats per minute in human adults. They can be classified …

A circumscribed collection of purulent exudate in the brain, due to bacterial and other infections. The majority are caused by spread of infected mat…