'Definitive host' diaporamas de présentation

Scabies. Amy Weyer. Background Information . Scabies is a skin disease caused by the mite Sarcoptes scabiei More than 300 million cases occur worldwide every year It is also known as the human itch mite or the scabies itch mite. Taxonomy . Kingdom- Animalia Phylum- Arthropoda

PHYLUM PLATYHELMINTHES. Major characteristics Dorsoventrally flattened Acoelomates Digestive tract greatly reduced or missing Excretory system consists of flame cells or protonephridia. CLASSIFICATION. Great deal of work being done in Platyhelminthes systematics.

The Protozoa . Introduction: The Phylum Protozoa is classified into four subdivisions according to the methods of locomotion. The amoebae (Sarcodina) move by means of pseudopodia. The flagellates (Mastigophora) typically move by long, whiplike flagellae.

Symbiosis. Living Together. Three Types of Symbiosis. Mutualism both species benefit Commensalism   one species benefits, the other is unaffected Parasitism   one species benefits, the other is harmed. Mutualism. Both organisms benefit from the relationship. Otters and Kelp.

Neurocysticercosis. Jenna Sawafta Infectious Diseases in the Developing World Fall 2012. Neuro -Brain Cysticercosis is an infection due to ingestion of Taenia Solium. http:// drugline.org /medic/term/ taenia /. The most common parasitic disease of the nervous system.

12. The Eukaryotes: Fungi, Algae, Protozoa, and Helminths. The Helminths. Table 12.1. Helminths (Parasitic Worms). Eukaryotic Multicellular animals Chemoheterotrophic Kingdom: Animalia Phylum : Platyhelminthes (flatworms) Class: Trematodes (flukes) Class: Cestodes (tapeworms)

Phylum Platyhelminthes . Flatworms. Monogenian. Flukes. Tapeworms. Phylum Platyhelminthes. The phylum consists of four classes Turbellaria (flatworm) Trematoda (fluke) Cestoda (tapeworm) Monogenian. Reproduction. Almost all are simultaneous hermaphrodites

Fasciola Hepatica. Amy Liberio Heather Peters. Fasciola hepatica. One of the world’s largest fluke Worm: 30 mm x 13 mm Distinguishable from other faciolidae by: Oral cone “Shoulders” Widening of body at base of oral cone Highly branched ceca. Geographical Distribution.

Clonorchis sinensis. Iman Diriye & Mikayla Hardy. INTRODUCTION. Common name is the oriental liver fluke or chinese liver fluke. Disease caused by infection: Clonorchiasis 10-25 mm fluke. Hermaphroditic. They mature in the bile duct of the liver.

Echinococcus ( granulosus and multilocularis ) . Abdi Rahman Gulaid. Introduction . Echinococcosis : Echinococcosis commomly known as Hydatid Disease or Hydatidosis , is caused by a parasitic cestodes (tapeworms) of the genus Echinococcus . .

Taenia saginata. Matt Greatens. Taxonomy . Kingdom: Animalia Phylum: Platyhelminthes Class: Cestoda Order: Cyclophyllidea Family: Taeniidae Genus: Taenia Species: saginata. Geographic Location . Anywhere that cattle is found.

Onchocerca volvulus. Matt Greatens. Taxonomy . Kingdom: Animalia Phylum: Netatoda Class: Cecernentea Order: Spirurida Family: Onchocercidae Genus: Onchocerca Species: volvulus. Geographic Location . Mainly Africa

Toxoplasmosis and Pregnancy. Max Brinsmead PhD FRANZCOG October 2008. Toxoplasmosis. Caused by the protozoan parasite Toxoplasma gondi Is endemic in most societies And the definitive host is cats Has a complex life cycle but infectious oocysts can live for many months in soil

Pulmonary echinococcosis. John-Henry Corbett Department of Radiology University of the Free State 02/2012. Echinoccosis or hydatid disease is caused by larval stage of the echinococcus tapeworm Four species E. granulosis E. multilocularis E. vogeli E. oligarthrus

Videos - animal. intro. D:\Sponges__Porifera.asf. porifera. Chimney sponge. Cnidaria. Feeding Examples Anemone eating jellyfish. Cnidaria. D:\Jellyfish.asf D:\_Stingers___Cnidaria_and_Coral.asf. Platyhelminthes - Flatworms. D:\Worms__Benefits_and_Problems.asf. Phylum Platyhelminthes.

Pulmonary Echinococcus. Megan Brundrett December 15, 2009. Pathology 1. Pathology 2. Echinococcus. Cestodes – divide their life cycle in 2 or more hosts Intermediate host – immature parasite as a tissue cyst Definitive host – mature parasite as a tapeworm Echinococcus granulosus

Animal parasites. Dr. Hamdy  Badie M. El-Wakil Prof. of Parasitology & Public Health . Faculty of Allied Medical Sciences. Pharos University In Alexandria,Egypt. 1- Parasitic protozoa (e.g. Malaria). 2- Flat worms (e.g. Schistosoma). 3- Round worms (e.g. Ancylostoma).

Medical Parasitology Lab. Zinc Sulphate method. LAB 5. Flotation. The flotation procedure permits the separation of protozoan cysts and certain eggs from excess debris through the use of a liquid with a high specific gravity.

Prosthogonimosis 前殖吸虫病. The team members: 付敏敏 高琦 卢清霞 岳慧敏 曾玉桂. 1.Introduction. Prosthogonimidae （前殖科） Prosthogonimus （前殖属） host:chicken 、 duck 、 goose 、 wild duck and other birds site:oviduct （输卵管） Bursa Fabricii （法氏囊） cloaca （泄殖腔） recta （直肠） ,sometimes in the egg （偶见于蛋）.

The mind altering powers of parasites! Sheena Cruickshank, University of Manchester. Parasitism. “the relation between two different kinds of organisms in which one receives benefits usually at the expense of the host” >50% of all animal species are parasites!