actin <Chinese>肌动蛋白
    action tremor <Chinese>动作性震颤
    active negativism <Chinese>主动违拗症
    actomyosin <Chinese>肌动球蛋白
    acuity <Chinese>敏度
    acute alcohol intoxication <Chinese>急性酒精中毒
    acute brain syndrome <Chinese>急性脑综合征
    acute poliomyelites <Chinese>急性脊髓前角灰质炎
    acute spontaenous myelites <Chinese>急性非特异脊髓炎
    acute suppurative myelites <Chinese>急性化脓性脊髓炎
    acyclovir <Chinese>无环鸟苷
    acystinervia <Chinese>膀胱神经无力
    Adamkiewicz's demilunes <Chinese>阿达姆基维支新月形细胞（在有髓神经纤维的神经膜底下）
    adaptation <Chinese>适应
    adduction <Chinese>内收
    adenoma of pituitary gland <Chinese>脑下垂体腺瘤
    adenovirus <Chinese>腺病毒
    adiphenine <Chinese>解痉素
    adiposis cerebralis <Chinese>脑性肥胖症
    adiposis dolorosa <Chinese>痛性肥胖症
    adrenergic <Chinese>肾上腺素能
    adreno leukodystrophy <Chinese>脑白质营养不良
    aerasthenia <Chinese>飞行员精神衰弱
    aetiology <Chinese>病因学
    affektepilepsie <Chinese>情感性痉挛
    affensplate <Chinese>月状沟（大脑枕叶）
    afferent <Chinese>传入
    African meningitis <Chinese>非洲脑膜炎（昏睡病）
    aganglionosis <Chinese>神经节细胞缺乏症
    ageing of nervous tissue <Chinese>神经组织老化
    agenesis of corpus callosum <Chinese>胼胝体发育不良
    agitation <Chinese>焦虑
    agnosia <Chinese>失认
    agraphia <Chinese>失写
    agyria <Chinese>无脑回
    akathisia <Chinese>静坐不能
    akinesia <Chinese>运动不能
    akinetic seizures <Chinese>运动不能发作
    akinetic-rigid syndrome <Chinese>运动不能-强直综合征
    Akureyri disease <Chinese>良性肌痛性脑脊髓炎
    alar plate <Chinese>翼板
    albendazole <Chinese>阿苯达唑
    alcoholic coma <Chinese>酒精中毒性昏迷
    aldosterone <Chinese>醛固酮
    alertness <Chinese>警觉
    alexia <Chinese>失读
    alleviated<Chinese> 缓和
    allopurinol <Chinese>别嘌呤醇
    allucination <Chinese>幻觉
    almufibrate <Chinese>氯贝丁酯铝
    alprenollol <Chinese>心得舒
    alptazolam <Chinese>阿普唑仑
    alternating hemiplegia <Chinese>交替性偏瘫
    altitudinal hemianopia <Chinese>上下性偏盲
    aluminium nicotinate <Chinese>烟酸铝
    Alzheimer's disease <Chinese>阿尔塞梅茨病
    amantadine <Chinese>金刚烷胺
    amaurotic idiocy <Chinese>黑朦性白痴
    amaurotic <Chinese>黑朦
    ambient cistern <Chinese>环池
    amblyopic <Chinese>弱视
    ameboid glia <Chinese>阿米巴样神经胶质细胞
    ameliorate <Chinese>改善
    amentia <Chinese>神错乱
    amiculum of olive <Chinese>橄榄核囊
    amikacin <Chinese>丁胺卡那霉素
    aminoacidurias <Chinese>氨基酸尿
    aminocaproic acid， EACA <Chinese>6-氨基己酸
    aminopyridine <Chinese>氨基比林
    amitriptyline<Chinese> 阿米替林
    amnesic <Chinese>遗忘
    amobarbital <Chinese>异戊巴比妥
    amoxycillin <Chinese>羟氨苄青霉素
    amphetamine <Chinese>苯丙胺
    amphetamines <Chinese>安非他命
    amplitude <Chinese>幅度
    amyotonia congenita <Chinese>先天性肌张力不全症