《病原生物学（人体寄生虫学）》课程教学课件（讲稿）12 医学节肢动物绪论、蚊、蝇

医学节肢动物Medical Arthropods美养修

医学节肢动物 Medical Arthropods 

春寒料峭螺呈狂，夏日处处遭虹，乌苏里江秋凉早，伊蚊垂危尤器张一虞以新

春寒料峭蠓呈狂，夏 日处处遭蚋虻，乌苏 里江秋凉早， 伊蚊垂危尤嚣张。 — 虞以新

What is arthropods(节肢动物)?Arthropods are characterised by having an(外骨胳)and chitinised appendagesexoskeleton丁质的附肢),What is the medical arthropods?The medical arthropods are harmful to man or cantransmit diseases

What is arthropods(节肢动物)? Arthropods are characterised by having an exoskeleton (外骨胳) and chitinised appendages (几 丁质的附肢). What is the medical arthropods? The medical arthropods are harmful to man or can transmit diseases

福·身体左右对称体表被以坚韧的外骨骼循环系统为开放式发育过程有蜕皮和变态现象等

•身体左右对称 •体表被以坚韧的外骨骼 •循环系统为开放式 •发育过程有蜕皮和变态现象等

昆虫纲：蚊、蝇、蚤，等蛛形纲：蜱、螨，等甲壳纲：蝎子，等唇足纲：蜈·倍足纲：马陆

•昆虫纲：蚊、蝇、蚤，等 •蛛形纲：蜱、螨，等 •甲壳纲：蝎子，等 •唇足纲：蜈蚣 •倍足纲：马陆 

1.直接危害·骚扰、吸血、毒害、致敏，等寄生：蝇、疥螨、蠕行螨，等

•骚扰、吸血、毒害、致敏，等 •寄生：蝇蛆、疥螨、蠕行螨，等 1. 直接危害

1.直接危害2.间接危害：传播疾病机械性传播·生物性传播

2. 间接危害：传播疾病 1. 直接危害 •机械性传播 •生物性传播

Mechanical transmissions(病原体) does notThe disease-producing agentSalmonell (沙门氏multiply in the arthropod, e.g.菌) transmission by the house fly. The arthropod isnot an integral part of the life cycle of the microorganism

Mechanical transmission: The disease-producing agent (病原体) does not multiply in the arthropod, e.g. Salmonella (沙门氏 菌) transmission by the house fly. The arthropod is not an integral part of the life cycle of the micro￾organism

Biological transmission:The arthropod is an integral part of the life cycle. Thedisease-producing agent may develop or mutiply inthe following manner in the arthropod(a)Only multiplication, e.g. Yersiniapestis(耶尔森氏菌)in fleas.Wuchereria bancrofti(班氏b) Only development, e.g.丝虫) in mosquitoes.c) Multiplication and development, e.g. Plasmodium inmosquitoes.e(登革病毒）(d) Transmitted through eggs: Dengue viruse (

Biological transmission: The arthropod is an integral part of the life cycle. The disease-producing agent may develop or mutiply in the following manner in the arthropod: (a) Only multiplication, e.g. Yersinia pestis (耶尔森 氏 菌)in fleas. (b) Only development, e.g. Wuchereria bancrofti (班氏 丝虫) in mosquitoes. (c) Multiplication and development, e.g. Plasmodium in mosquitoes. (d) Transmitted through eggs: Dengue viruse (登革病毒）

昆虫纲蟹到臭忠

昆虫纲