安庆医药高等专科学校：《病原生物与免疫学》课程教学资源（PPT课件）第二十五章 医学原虫（叶足虫－溶组织内阿米巴）

1、掌握超敏反应的概念、类型及发生机理。 2、熟悉常见的各型超敏反应性疾病。 3、了解超敏反应的防治原则

安庆医药高等专科学校：《病原生物与免疫学》课程教学资源（电子教案）31 医学原虫

“The best things in life are free. . . ” Free goods provide a special challenge for economic analysis Most goods in our economy are allocated in markets… …for these goods, prices are the signals that guide the decisions of buyers and sellers

第一节 叶足虫 第二节 鞭毛虫 第三节 孢子虫

安庆医药高等专科学校：《病原生物与免疫学》课程教学资源（教学大纲）病原生物与免疫学课程教学大纲（供临床医学专业用，负责人：李帆）

The Law of Supply: uFirms are willing to produce and sell a greater quantity of a good when the price of the good is high. uThis results in a supply curve that slopes upward

The Meaning of Competition uA perfectly competitive market has the following characteristics: u There are many buyers and sellers in the market

Monopoly While a competitive firm is a price taker, a monopoly firm is a price maker

Imperfect Competition Imperfect competition refers to those market structures that fall between perfect competition and pure monopoly