gross lesion


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gross le·sion

a lesion plainly visible to the naked eye.

gross lesion

A lesion visible to the eye without the aid of a microscope.
See also: lesion
References in periodicals archive ?
Immunohistochemical analysis with a CCoV-specific monoclonal antibody detected CCoV antigen in the organs with gross lesions that were examined (lungs, kidneys, liver, spleen, gut, and lymph nodes) (Figure 1).
3,5,7) Gross lesions include atrophy of pectoral muscles, lack of fat, enlarged liver, enlarged spleen, pale small foci in liver and spleen, swollen kidneys, ascites, airsacculitis, subcutaneous hemorrhages, lung congestion, and pneumonia.
Few obvious gross lesions and parasites were noted.
Gross lesions included mild-to-moderate emaciation and severely enlarged and mottled pale livers and spleens.
At necropsy, the primary gross lesions in all four animals were severe pulmonary consolidation and multifocal hemorrhage in several organs, including lung, heart, thymus, stomach, intestine, liver, and lymph nodes.
Gross lesions in the female falcons were characterized by anemia secondary to marked hemorrhage into the ovary and oviduct, serofibrinous effusion into the cardioabdominal cavity, and serosal petechiae.
3,5,6) Common gross lesions include enlargement of the liver and spleen, as well as regional to diffuse thickening of the intestinal wall.
Mortality, clinical disease, gross lesions, microscopic lesions, and body weights were observed.
The gross lesions were similar to those described above but with numerous 1- to 3-mm tan foci in the parenchyma of the liver, spleen, and kidneys.