淀粉 Amylase
组成代谢 Anabolism
贫血 Anaemia
厌氧生物 Anaerobe?
缺氧的 Anaerobic
缺氧呼吸 Anaerobic respiration?
麻醉法 Anaesthesia?
麻醉剂 Anaesthetic?
镇痛剂 Analgesic?
雄激素 Androgen?
绞痛 Angina?
畜牧〔业〕 Animal husbandry?
组成代谢 Anabolism
贫血 Anaemia
厌氧生物 Anaerobe?
缺氧的 Anaerobic
缺氧呼吸 Anaerobic respiration?
麻醉法 Anaesthesia?
麻醉剂 Anaesthetic?
镇痛剂 Analgesic?
雄激素 Androgen?
绞痛 Angina?
畜牧〔业〕 Animal husbandry?
踝 Ankle?
按蚊属 Anopheles?
厌食 Anorexia nervosa?
拮抗肌 Antagonistic muscle
脑垂体前叶 Anterior pituitary?
前腔大静脉 Anterior vena cava
炭疽 Anthrax?
类人猿 Anthropoid?
抗生素片 Antibiotic disc?
抗生素﹔抗菌素 Antibiotic?
抗体 Antibody?
抗凝血剂 Anticoagulant
抗抑郁药 Anti-depressant?
抗利尿激素 Antidiuretic hormone (ADH)
抗原 Antigen?
抗组胺药 Antihistamine?
抗氧化剂 Antioxidant?
止汗药 Antiperspirant?
精神抑制药 Antipsychotic drug?
防腐剂 Antiseptic?
反社会性行为 Antisocial act?
抗毒素 Antitoxin?
肛门 Anus?
焦虑 Anxiety?
大动脉 Aorta?
人猿 Ape?
阑尾炎 Appendicitis
附肢骨骼 Appendicular skeleton?
阑尾 Appendix?
水产养殖 Aquaculture