【名词&注释】
心肌梗死(myocardial infarction)、门静脉(portal vein)、肥厚型心肌病(hypertrophic cardiomyopathy)、乳头肌(papillary muscle)、继发性(secondary)、肠系膜上静脉(superior mesenteric vein)、肠系膜下静脉(inferior mesenteric vein)
[单选题]下列静脉汇合构成门静脉的是
A. 肠系膜上静脉(superior mesenteric vein)和肠系膜下静脉(inferior mesenteric vein)
B. 肠系膜上静脉(superior mesenteric vein)和脾静脉
C. 肠系膜上静脉(superior mesenteric vein)和胃短静脉
D. 脾静脉和肠系膜下静脉(inferior mesenteric vein)
E. 脾静脉和肝静脉