题目内容
门静脉是由下列哪两条静脉汇合而成
2022-01-25
A.胃左静脉和肠系膜上静脉
B.肠系膜上静脉和肠系膜下静脉
C.胃左静脉和肠系膜下静脉
D.胃左静脉和脾静脉
E.肠系膜上静脉和脾静脉 .
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