LastclassParasitism;Parasite;Ectoparasite;Endoparasite;Obligate parasite;Accidentalparasites; Intermediate host; Definitive host;Reservoir host; Paratenic host; Life cycle;InfectiveStage;Carrier;Patient
Last class Parasitism; Parasite; Ectoparasite; Endoparasite; Obligate parasite; Accidental parasites; Intermediate host; Definitive host; Reservoir host; Paratenic host; Life cycle; Infective Stage; Carrier;Patient
The Scope of Human ParasitologyThreemajorgroups of human parasites·Protozoa:one-cell organismHelminth:multiplecells(Trematoda,Cestoda,Nematoda)Arthropods:
The Scope of Human Parasitology •Three major groups of human parasites •Protozoa: one-cell organism •Helminth: multiple cells ( Trematoda, Cestoda, Nematoda) •Arthropods:
HELMINTHOLOGYP151
HELMINTHOLOGY P151
Introduction to helminthplio。 Helminth means worm. multicellular bilalerallysymmetrical animals The helminth of medicalimportance belong to 3 classes: Trematoda ,CestodaandNematoda
Introduction to helminth p110 • Helminth means worm. multicellular bilalerally symmetrical animals The helminth of medical importance belong to 3 classes: Trematoda ,Cestoda and Nematoda
Importantfeaturesofhelminths1. Adult worm.Teeth of cuttingplates; suckers orhooks.Donotpossessorgansoflocomotion,Locomotion by muscular contraction and relaxation·Reproductivesystemmonoeciousdiecious2. Eggs3.larvae
Important features of helminths 1. Adult worm • Teeth of cutting plates; suckers or hooks • Do not possess organs of locomotion, • Locomotion by muscular contraction and relaxation • Reproductive system: • monoecious • diecious 2. Eggs 3. larvae