Histology

Histology

Microscopic study of tissue structure.

Contributors in Histology

Histology

Changes seen in the lung parenchyma distal to an obstruction, regardless of cause. This disorder typically includes accumulation of foamy macrophages within alveoli, inspissated mucus, prominent type ...

old granuloma

Medical; Histology

A term for a nodule with fibrotic rim and necrotic center that is usually, but not always, the result of an old healed infectious granuloma. A palisaded histiocytic rim around the necrosis may be ...

organizing pneumonia

Medical; Histology

A reparative reaction in the lung with organizing granulation tissue filling alveolar ducts and associated alveoli with only focal attachment to the interstitium where the proliferation originates. ...

angiocentric

Medical; Histology

A descriptive term for lesions that appear to center on vessels. Angiocentricity may be appreciated with lesions that are actually centered on vessels (either arteries or veins) or with lesions that ...

septal

Medical; Histology

Septal refers to the interlobular septa and structures in them, including veins, lymphatics, and connective tissue.

acinus

Medical; Histology

The functional unit of the lung: a respiratory bronchiole and its alveolar ducts and alveolar sacs. (Note: The definition of "acinus" varies somewhat in the literature.)