N any of the small subdivisions of an artery that form thin-walled vessels ending in capillaries 小动脉 [anatomy]
These arteries branch and re branch to form arterioles.
这些动脉又一再分支形成小动脉。
Capillary: One of the minute blood vessels that connect arterioles and venules.
毛细管：连接动脉和小静脉的纤细的血管中的一条。
Objective To investigate the extent and degree of lesions of small intracerebral arteries and arterioles.
目的探讨脑出血时脑小动脉、微动脉病变的分布与严重的程度。
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