First Short Notes of Clinical Parasitology (Amoebiasis Definition , Mode of Transmation, Life Cycle, Symptoms, Diagnosis and Treatment)
Amoebiasis is a disease caused by Entamoeba histolytica , leading to ulcers in the large intestine. Mode of Transmission: The disease spreads through the fecal-oral route , primarily via contaminated water, food, flies , or through contact with contaminated hands. Life Cycle: Entamoeba cysts are present in the environment and then enter the body through ingestion. 1. Cysts undergo nuclear duplication. 2. The nucleus quadruplicates . 3. Multiplication begins through division. 4. The fourth stage involves the transformation into trophozoites . 5. Trophozoites undergo binary division . 6. The pre-cyst stage precedes cyst formation . Symptoms: Symptoms typically manifest 1-4 weeks after infection, including: · Diarrhea · Presence of blood in stool · Abdominal cramps and pain Diagnosis: - Trophozoites observed in a Stool Examination . - Cysts are identifiable in Sting Test of Stool . Treatment: Common treatments inc