Trophozoites
Trophozoites
Trophozoites (pronunciation: troh-foh-zoh-ites) are the active, feeding, and reproducing stage of certain parasitic organisms, such as protozoa. They are typically found in the host organism's body fluids, such as blood or intestinal contents.
Etymology
The term "trophozoite" is derived from the Greek words "trophe," meaning nourishment, and "zoion," meaning animal. It was first used in the late 19th century to describe the feeding stage of parasitic protozoa.
Related Terms
- Protozoa: A group of single-celled organisms, some of which are parasitic and can cause disease in humans and other animals.
- Parasite: An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.
- Cyst: In the context of parasitic life cycles, a cyst is a hard-shelled, dormant stage that some parasites, including certain protozoa, can enter when conditions are unfavorable.
- Amoebiasis: A disease caused by the protozoan parasite Entamoeba histolytica, in which trophozoites play a key role.
- Giardiasis: A disease caused by the protozoan parasite Giardia lamblia, also known as Giardia intestinalis or Giardia duodenalis. The trophozoite is the active stage of this parasite.
See Also
External links
- Medical encyclopedia article on Trophozoites
- Wikipedia's article - Trophozoites
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