题目内容
The tissue foming the impulse-generation and impulse-conduction system of the heart consists primarily of modified
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The one tissue listed below that forms a continuum throughout the cardiovascular system is
Purkinje fibers are most obvious in histologic sections of which of the following?
A blood vessel 2 mm in diameter that on histologic examination, is seen to have a distinct internal elastic lamina and a prominent tunica media is most likely which one of the following?
“金课”的建设标准包括（）
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