Protozoan
As the name suggests, Proto stands for primitive while Zoan means animal.They are unicellular in nature. However, the single cell has highly complex functions. Hence they are also referred to as the 'pinnacle of unicellular complexity'. they have a typical eukaryotic cell structure. Just the nucleus and the membrane bound organelles, form an integral part of the cell. Many of them possess food vacuoles, which are used to store food. And these cells do not have a cell wall. Are there any more special features. Many of them have additional features like cilia of flagellum for locomotion. Cilia are these tiny hair like structures which are present throughout the body. Flagellum on the other hand is usually a slender long filament, which is single or rarely multiple in number
Disease | Protozona | Vector | Parts Affected and Symptoms |
---|---|---|---|
Pyorrhoea | Entamoeba gingivalis | Non, infection by lop kissing. | Bleading of gums |
African trypanosomiasis(sleeping sickness,gambian fever) | Trypanosoma gambinse | Tse-tse fly(Glossina palpalis) | Blood and Nervious tissue.Man feels sleepy, may cause death. |
Amoebic dysentery(Amoebiasis) | Entamoeba histolytica | None, infection by contamination | Colon(intestine).Devlop loose motionwith blood, pain in abdomen. |
Diarrhoea | Giardia | Non ,infection by contamination | Digestive system causes loose motion, vomitting. |
Kala azar or dumdum fever | Leishmania donovani | Send flies(Phlebotemus) | Sleep and Liver enlarg and high fever devlops. |
Filariosis or elephantiasis | Wuchereria bancrofti | Culex mosquito | Swelling of leags,testes and other body parts. |
Malaria | Plasmodium sp. | Female anopheles mosquito | Periodacal attacks of high fever, pain in joints,accompanied by chill heavy perspiration and fast pulse. |
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