题目内容
胰腺颈部周围血管解剖，以下说法正确的 是
2022-01-25
A.后方为肠系膜下静脉与脾静脉汇合形 成门静脉
B.后方为肠系膜上静脉与脾静脉汇合形 成门静脉
C.后方为肠系膜上静脉与左肾静脉汇合 形成门静脉
D.后方为肠系膜下静脉与左肾静脉汇合 形成门静脉
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