The duplicates are attached to each other at a constricted region called the centromere.对偶体彼此相连于称为着丝粒的缩小的区域.Following the replication of chromosomes, resultant chromatids remain attached at the centromere.随着染色体的复制, 着丝粒始终...
一种细菌被断定为造成他十二指肠溃疡的根源.A bacterium is identified as the cause for his duodenal ulcer.胃炎可引起类似消化性溃疡的症状.Gastritis may cause symptoms resembling those of peptic ulcer.提示十二指肠流动性溃疡的放射学间接征象是粘膜水肿和痉挛.Secondary radiologic signs that...