The main evidence for distinguishing carcinoma from sarcoma is ()
A. Infiltrative growth, without capsule
B. There is obvious ATYPIA and mitotic figure
C. Transfer d through the bloodstream
D. Tissue origin
E. The tumor is massive
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The atypia of benign tumors was mainly manifested in()
A. Pleomorphism of tumor cell nucleus.
B. The tumor tissue structure is disordered
C. Pleomorphism of tumor cells
D. The ratio of nucleus to cytoplasm increases.
E. Visible mitotic figure
Aschoff cells in the Aschoff body are derived from ()
A. Fibroblasts
B lymphocytes
C. Macrophages
D. T lymphocytes
In the pathogenesis of atherosclerosis, the primary condition for the formation of atherosclerotic plaque is ()
A. Chronic and repeated vascular endothelial cell injury
B. Deposition of blood lipid and its oxidation
C. Exudation of inflammatory cells
D. Smooth muscle cell response
The cells not involved in atherosclerotic plaque formation are ()
A. Endothelial cells
B. Smooth muscle cell
C. monocyte
D. Fibroblast