Definitive host
Definitive Host
Definitive host (/dɪˈfɪnɪtɪv hoʊst/), also known as the final host, is a term used in parasitology to refer to an organism that harbors the adult, sexual, or mature form of a parasite. The definitive host is typically where the parasite reaches maturity and, if applicable, reproduces.
Etymology
The term "definitive host" originates from the Latin words "definitivus", meaning final or conclusive, and "hospes", meaning guest. In the context of parasitology, it refers to the final organism in the parasite's life cycle where it reaches maturity.
Related Terms
- Intermediate host: An organism that harbors the immature, larval, or asexual stages of a parasite. The parasite must pass through the intermediate host to complete its life cycle.
- Parasite: An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.
- Parasitology: The study of parasites, their hosts, and the relationship between them.
- Life cycle (biology): The series of changes in the life of an organism, including reproduction.
See Also
External links
- Medical encyclopedia article on Definitive host
- Wikipedia's article - Definitive host
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