胆总管最长的部分是()。A、十二指肠上段B、十二指肠后段C、胰腺段D、十二指肠壁内段...
Sunday, May 21, 2023
Saturday, September 17, 2022
Saturday, September 17, 2022
患儿,男,3岁,心脏超声检查示升主动脉与主肺动脉间隔回声缺失,该...
Tuesday, September 13, 2022
Saturday, September 17, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
下列关于缝隙连接的描述,错误的是()。A、呈斑状B、相邻细胞膜之间的间隙很小C、传递化学信息D、传递电信号E、仅在上皮细胞间存在...
Wednesday, February 15, 2023
Tuesday, September 13, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Tuesday, September 13, 2022
Sunday, September 11, 2022
患者,男,80岁,超声发现右侧颈内动脉阻塞或高度狭窄,同侧颈总动...
Monday, September 12, 2022
Saturday, September 17, 2022