The infection of Entamoeba is more common in children and young adults. The trophozoites.by their amoeboid movement and also by the proteolytic enzyme, penetrate through the mucosa and burrow deeper and deeper by lysis of the tissue up to the submucous coat. They rapidly multiply here and cause destruction of the surrounding tissues. This results [...]
The characteristic features of the Sporozoite state of Plasmodium are: Sickle shaped (10-14µm in length and 1 µm in breadth) with both ends pointed. Covered by two membranes, the inner one is rigid while the outer one is wavy. Apical part constitutes the apical complex. Nucleus situated in the micropyle present in the broad central [...]
Plasmodium gets transmitted into human body in the Sporozoite state. During the blood meal, female Anopheles mosquito transmits the parasite to healthy human body along with saliva. The parasite was, however, collected from infected man while blood-feeding infection is caused by several spindle shaped sporozoites.
What is the differences between definitive and intermediate hosts? Who are these hosts for Plasmodium? Ans: The host within which the parasite performs sexual reproduction is known as the definitive host. Female Anopheles mosquito is the definitive host of Plasmodium. On the other hand, the host within which the parasite gets its nourishment and performs [...]
The life cycle of Plasmodium can be divided into the following four phases: Pre-erythrocytic cycle. Erythrocytic cycle. Exo-erythrocytic cycle. Sexual cycle
