Which is wrong about the feature of lymphoid node? ()
A. Theafferent lymphatic vessels penetrateintosubcapsular sinuses from the surrounding
B. Theparenchyma is divided into cortex and medulla
C. The deep cortex is mainly composed of dense T cells
D. The germinal center is visible in lymphoid nodule
E. Themedullary cord mainly contains B cells, plasma cells and macrophages
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The white pulp of spleen consists of ()
A. splenic corpuscle and periarterial lymphatic sheath
B. marginal zone and periarterial lymphatic sheath
C. splenic corpuscle andmarginal zone
D. splenic corpuscle and splenic cord
E. splenic cord and marginal zone
Which is wrong about the structure of thymus gland? ()
A. It contains macrophages
B. The frame is composed of epithelial reticular cells
C. It is divided into cortex and medulla
D. It contains thymic corpuscles in the medulla
E. The cortex consists of diffuse lymphoid tissue and lymphoid nodule
The thymic corpuscle is mainly composed of ()
A. epithelial reticular cells
B. eosinophils
C. lymphocytes
D. monocytes
E. macrophages
Which is wrong about the large artery? ()
A. namely elastic artery
B. The tunica intima is composed of endothelium and subendothelial layer, which internal elastic membrane is not obvious
C. It is composed of 10- 40 layers of circular smooth muscle fibers in tunica media
D. It is composed of 40-70 layers of elastic membranes in tunica media
E. It is composed of loose connective tissue in tunica adventitia
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