Ab antibody 抗体 ACTH adrenocorticotropic hormone 促肾上腺皮质激素 ADH antidiuretic hormone 抗利尿激素 AFE amniotic fluid embolism 羊水栓塞 AFP alpha fetoprotein 甲胎蛋白 Ag antigen 抗原 AID artificial insemination with donor’s semen 供精者精液授精 AD autoimmune disease 自身免疫病 AIDS acquired immuno-deficiency syndrome 获得性免疫缺陷综合征(艾滋病)