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Definition

noun

(parasitology) The host at which the parasite spends its final developmental stage, and reaches its mature form

Supplement

The definitive host refers to the organism wherein the parasite reaches its mature form. Thus, the parasite at this stage is typically capable of reproduction.

For example, human tapeworm makes use of human as its definitive host.

Synonym(s):

• primary host
• final host

Compare:

• intermediate host

See also:

• host

Mentioned in:

• Loa loa
• Scolex