ACTH adrenocorticotropic hormone 促腎上腺皮質激素
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 獲得性免疫缺陷綜合征(艾滋病)