[单选题]哪两条静脉汇合成门静脉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.肠系膜上静脉和脾静脉E.胃左静脉和脾静脉
[单选题]下腔静脉是由哪两条静脉汇合形成的:()A . 左、右股静脉B . 左、右髂总静脉C . 左、右颈静脉D . 双下肢深、浅静脉
[单选题]门静脉由哪两条静脉汇合而成A.肠系膜上静脉和肠系膜下静脉B.肠系膜上静脉和脾静脉C.胃左静脉和肠系膜下静脉D.脐静脉和肠系膜上静脉E.肠系膜下静脉和脾静脉
[单选题]门静脉由哪两条静脉汇合而成()A.肠系膜上静脉和肠系膜下静脉B.肠系膜上静脉和脾静脉C.胃左静脉和肠系膜下静脉D.脐静脉和肠系膜上静脉E.肠系膜下静脉
[单选题]门静脉由哪两条静脉汇合而成()A.肠系膜上静脉和肠系膜下静脉B.肠系膜上静脉和脾静脉C.胃左静脉和肠系膜下静脉D.脐静脉和肠系膜上静脉E.肠系膜下静脉
[单选题]门静脉由哪两条静脉汇合而成?( )A.脐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.肠系膜上静脉和脾静脉E.肠系膜
[单选题,A型题] 门静脉由哪两条静脉汇合而成()。A . 肠系膜上静脉和肠系膜下静脉B . 肠系膜上静脉和脾静脉C . 胃左静脉和肠系膜下静脉D . 脐静脉和肠系膜上静脉E . 肠系膜下静脉和脾静脉
[单选题]门静脉由哪两条静脉汇合而成A.肠系膜上静脉和肠系膜下静脉B.肠系膜上静脉和脾静脉C.胃左静脉和肠系膜下静脉D.脐静脉和肠系膜上静脉E.肠系膜下静脉和脾
[单选题]门静脉由哪两条静脉汇合而成?( )A.脐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.肠系膜上静脉和脾静脉E.肠系膜
[单选题]门静脉由哪两条静脉汇合而成()A.肠系膜上静脉和肠系膜下静脉B.肠系膜上静脉和脾静脉C.胃左静脉和肠系膜下静脉D.脐静脉和肠系膜上静脉E.肠系膜下静脉