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A specialty concerned with the nature and cause of disease as expressed by changes in cellular or tissue structure and function caused by the disease process.


pathology [Subheading]

Used for organ, tissue, or cell structure in disease states.

Year introduced: 1966


Plant Pathology

The study of infectious diseases associated with plants.

Year introduced: 2012


Pathology, Molecular

A subspecialty of pathology concerned with the molecular basis (e.g., mutations) of various diseases.

Year introduced: 2010


Forensic Pathology

The application of pathology to questions of law.

Year introduced: 2005


Speech-Language Pathology

The study of speech or language disorders and their diagnosis and correction.

Year introduced: 1991


Pathology, Veterinary

The field of veterinary medicine concerned with the causes of and changes produced in the body by disease.


Pathology, Surgical

A field of anatomical pathology in which living tissue is surgically removed for the purpose of diagnosis and treatment.


Pathology, Oral

A dental specialty concerned with pathology of the oral cavity.

Year introduced: 1970


Pathology, Clinical

A subspecialty of pathology applied to the solution of clinical problems, especially the use of laboratory methods in clinical diagnosis. (Dorland, 28th ed.)

Year introduced: 1980


Pathology Department, Hospital

Hospital department which administers and provides pathology services.

Year introduced: 1991(Aug 1977)


Frontotemporal Dementia

The most common clinical form of FRONTOTEMPORAL LOBAR DEGENERATION, this dementia presents with personality and behavioral changes often associated with disinhibition, apathy, and lack of insight.

Year introduced: 2010


Pathological Conditions, Signs and Symptoms

Abnormal anatomical or physiological conditions and objective or subjective manifestations of disease, not classified as disease or syndrome.

Year introduced: 2000(1998)



Neurodegenerative disorders involving deposition of abnormal ALPHA-SYNUCLEIN in dopaminergic neurons and glial cells in the brain. Pathological aggregations of alpha-synuclein proteins results in LEWY BODIES and Lewy neurites; melanin granules in the SUBSTANTIA NIGRA and LOCUS COERULEUS; and glial cytoplasmic inclusions. Synucleinopathies are associated with mutation in the ALPHA-SYNUCLEIN (SNCA) gene on chromosome 4. PARKINSON DISEASE; LEWY BODY DISEASE with dementia; and MULTIPLE SYSTEM ATROPHY are prominent examples of synucleinopathy.

Year introduced: 2020


CD52 Antigen

A small GPI-linked glycoprotein expressed on the surface of normal and malignant B-CELLS; T-CELLS; MONOCYTES; MACROPHAGES; NK CELLS; and GRANULOCYTES. It is expressed densely and without modulation in many malignant T-cell neoplasms and therefore a target for antibody therapies (e.g., ALEMTUZUMAB).

Year introduced: 2018

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