Medical arthropods (医学节肢动物) Department of Parasitology Xiang-Ya School of Medicine
Medical arthropods （医学节肢动物） Department of Parasitology Xiang-Ya School of Medicine
工 Concepts ☐Medical arthropods (Medical insects) Arthropods with medical importance parasitic arthropods/ arthropods destroy human by toxic substance/ vectors of pathogens)
❑ Medical arthropods Arthropods with medical importance ( parasitic arthropods/ arthropods destroy human by toxic substance/ vectors of pathogens) I Concepts (Medical insects)
工 Concepts Most important medical arthropods include: mosquito(蚊)，fy(蝇)，sandfly(白蛉)，flea(蚤)， louse(虱)，cockroach(蟑螂)，bed bug(臭虫)， hard tick(硬蜱)，soft tick(软蜱)，gamasid mite (革螨)，itch mite(疥螨)，follicle mite(蠕形螨)， etc
Most important medical arthropods include： mosquito(蚊) , fly(蝇) , sandfly(白蛉) , flea (蚤) , louse (虱) , cockroach(蟑螂) , bed bug (臭虫) , hard tick (硬蜱) , soft tick (软蜱) , gamasid mite (革螨) , itch mite (疥螨) , follicle mite (蠕形螨), etc I Concepts
工 Concepts 口 Medical arthropodology (Medical entomology) To study morphological characters,classification, life cycle,ecology(生态学)，geographical distribution,pathogenesis,regularity of disease transmission and control strategies
I Concepts ❑ Medical arthropodology (Medical entomology) To study : morphological characters, classification, life cycle, ecology (生态学), geographical distribution, pathogenesis , regularity of disease transmission and control strategies
II Main characters of arthropods QBilaterally symmetric body, segmentated appendages(附肢) □Exoskeleton(外骨骼)：chitinous and quinone tanned protein Open circulatory system (hemocoele) no lymphatic fluid,blood haemolymph(血淋巴) 口Molting(ecdysis,蜕皮)and metamorphosis(变态)
II Main characters of arthropods ❑ Bilaterally symmetric body, segmentated appendages (附肢) ❑ Exoskeleton (外骨骼) : chitinous and quinone tanned protein ❑Open circulatory system (hemocoele) no lymphatic fluid, blood haemolymph (血淋巴) ❑Molting(ecdysis，蜕皮) and metamorphosis (变态)
Main characters of arthropods 前翅 后翅 1背板 复眼 尾须 触角口器前胸中胸后 气孔腹板侧板 产卵器 前足中足胸后足 Morphological characters of arthropods
Morphological characters of arthropods II Main characters of arthropods
III Classification of Arthropods Insecta（昆虫纲)：蚊、蝇、白蛉、蚤、蚋、 蠓、虻、虱、蟑螂、 臭虫、松毛虫等 Arachnida（蛛形纲)：硬蜱、软蜱、疥螨、 恙螨、革螨、蠕形螨、 Phylum 尘螨等 Arthropoda Crustacea（甲壳纲)：蟹、虾、剑水蚤、 镖水蚤等 Chilopoda(唇足纲)：蜈蚣等 Diplopoda(倍足纲)：马陆等
Phylum Arthropoda Insecta （昆虫纲）： 蚊、蝇、白蛉、蚤、蚋、 蠓、虻、虱、蟑螂、 臭虫、松毛虫等 Arachnida（蛛形纲）：硬蜱、软蜱、疥螨、 恙螨、革螨、蠕形螨、 尘螨等 Crustacea（甲壳纲）： 蟹、虾、剑水蚤、 镖水蚤等 Chilopoda（唇足纲）：蜈蚣等 Diplopoda（倍足纲）：马陆等 III Classification of Arthropods
III Classification of Arthropods 1 nsecta: separated head,thorax and abdomen, 3 pairs of legs,1 pair of antennae 2 Arachnida: cephalothorax,abdomen,or head, thorax and abdomen are combined 4 pairs of legs,no antenna
2 Arachnida: cephalothorax, abdomen, or head, thorax and abdomen are combined , 4 pairs of legs, no antenna 1 Insecta: separated head, thorax and abdomen, 3 pairs of legs, 1 pair of antennae III Classification of Arthropods
IIt Classification of Arthropods 3 Crustacea: cephalothorax,abdomen, 5 pairs of legs,2 pairs of antennae,live in water shrimp,crab, cyclops(剑水蚤)
3 Crustacea: cephalothorax, abdomen, 5 pairs of legs, 2 pairs of antennae , live in water shrimp, crab， cyclops(剑水蚤) III Classification of Arthropods
III Classification of Arthropods 4 Chilopoda head and long,slender, flat body segments, 1 pair of antennae, 1 pair of legs on every segment centipede(蜈蚣)
4 Chilopoda : head and long, slender, flat body segments, 1 pair of antennae, 1 pair of legs on every segment centipede (蜈蚣) III Classification of Arthropods