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
查看答案
Which is elastic artery? ()
A. large artery
B. medium-sized artery
C. small artery
D. arteriole
E. small artery and arteriole
The blood sinusoid exists in ()
A. lung
B. muscle tissue
C. glomerulus
D. gastrointestinal mucosa
E. spleen
synapses are ()
A. Specialization between neurons or effectors cells
B. Cell junctions between neuroglia
Cell junctions between neurons
D. Cell junctions between neurons and muscle cells
E. Cell junctions between neuroglia and neurons
Which is related to information transmission in presynaptic element ? ()
A. microtubule
B. neurofilament
C. mitochondria
D. synaptic vesicle
E. microfilament
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