Sensitized and challenged animals had significantly increased AR to aerosolized methacholine compared with control animals.是什么意思？

Sensitized and challenged animals had significantly increased AR to aerosolized methacholine compared with control animals.

激发致敏后的动物雾化吸入乙酰胆碱后较对照组有显著的气道反应性增高.

sensitized

--

例句
Antigen interacts with the surface of sensitized mast cells.
抗原与致敏的肥大细胞表面互相作用.

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

challenged

adj. 残疾的，有伤的，有缺陷的或缺少的，受到挑战的；v. “challenge”的过去式和过去分词；

例句
Democratic leaders have challenged the president to sign the bill...
民主党领袖对总统签署这项法案提出了质疑。

animals

n. 动物( animal的名词复数 )，兽，兽性，粗野残暴的人；

例句
They are saying, with varying degrees of absolutism, that animals should not be exploited at all.
他们都多多少少带有些绝对地说动物根本不该被拿来利用。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

significantly

adv. 意味深长地，值得注目地；

例句
A glass or two of wine will not significantly add to the calorie count...
喝一两杯葡萄酒不会增加多少热量。

increased

adj. 增加的，增强的；v. 增加，增大，增多( increase的过去式和过去分词 )，增强，增进，[缝纫]放（针），增强；

例句
Warren also allows that capitalist development may, in its early stages, result in increased social inequality.
沃伦也承认资本主义发展初级阶段可能会导致社会不平等现象加剧。

AR

abbr. Argentina 阿根廷，Army Regulation 陆军条例；

例句
Objective To optimize the the NADPgenerating fluorimetric method for aldose reductase ( AR ) activity.
目的找出优化NADP生成 荧光法测定红细胞醛糖还原酶 ( AR ) 活性的方案.

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

methacholine

[医]乙酰甲胆碱，醋甲胆碱：胆碱能激动剂，为乙酰β甲基胆碱，其作用时间较乙酰胆碱长，主要是毒蕈碱作用，有血管扩张和心脏拟迷走神经作用，但基本上已为其他药物所取代；

例句
Sensitized and challenged animals had significantly increased AR to aerosolized methacholine compared with control animals.
激发致敏后的动物雾化吸入乙酰胆碱后较对照组有显著的气道反应性增高.

compared

adj. 比较的，对照的；

例句
He compared the achievements of the British and the French during 1916 and concluded that the latter were better all around.
他比较了1916年英国人和法国人的成就，结论是法国人在各方面都做得更好。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

control

vt. 控制，管理，限制，支配；n. 支配权，操纵者，（对国家、地区、机构等的）管理权，（键盘上的）控制键；

例句
It is arguable whether he ever had much control over the real economic power...
他是否掌控过真正的经济大权还有待证实。