瓣

Acalyptratae

无翅瓣类

Acala /阿卡拉/ | Acalyptratae /无翅瓣类/ | Acandi /阿坎迪/

antipetalous

对瓣的

antiperspirant 止汗剂 | antipetalous 对瓣的 | antiphase 反相

antisquama

上腋瓣

antispermotoxin 抗精子毒素 | antisquama 上腋瓣 | antisteapsin 抗胰(脂)酶

antitegula

上腋瓣

antistyle 前尾片 | antitegula 上腋瓣 | antithetic alternation 异源世代交替,倍数世代交替

aortic valve

主动脉瓣

主动脉口周围的纤维环上也附有三个袋口向上的半月形瓣膜,称主动脉瓣(aortic valve),每个瓣膜与主动脉壁之间形成的窦腔称主动脉窦,在左、右主动脉窦的动脉壁上分别有左、右冠状动脉的开口.

aortic valve

织脉瓣

aortic trunk 织脉干 | aortic valve 织脉瓣 | aortitis 织脉炎

Aortic incompetence

主动脉瓣闭锁不全

aortic depressor reflex 主动脉减压反射 | aortic incompetence 主动脉瓣闭锁不全 | aortic orifice 主动脉口

aortostenosis

织脉瓣狭窄

aortosclerosis 织脉硬化 | aortostenosis 织脉瓣狭窄 | aortotomy 织脉切开术

Apetalae

无瓣花类

"孔口;(气孔的)开口","aperture ; pore" | "无瓣花类","Apetalae" | "无花瓣的","apetalous"

apically repositioned flap

龈瓣根向转移

apical root resorption根尖吸收; | apically repositioned flap 龈瓣根向转移; | arrow clasp 箭头卡;

plasticine：塑像用粘土

plastic 塑胶 | plasticine 塑像用粘土 | plasticity 可塑性

Steel Skeleton Construction：钢骨构造

"钢珠","steel shot" | "钢骨构造","steel skeleton construction" | "钢枕(铁路)","steel sleeper"