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
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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
Which is wrong about the medium-sized artery? ()
A. namely muscular artery
B. The boundary between tunica intima and tunica media is 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
Which is elastic artery? ()
A. large artery
B. medium-sized artery
C. small artery
D. arteriole
E. small artery and arteriole
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