extrinsic incubation period


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ex·trin·sic in·cu·ba·tion pe·ri·od

time required for the development of a disease agent in a vector, from the time of uptake of the agent to the time when the vector is infective.

ex·trin·sic in·cu·ba·tion pe·ri·od

(eks-trin'zik in'kyū-bā'shŭn pēr'ē-ŏd)
Time required for the development of a disease agent in a vector, from the time of uptake of the agent to the time when the vector is infective.

extrinsic

of external origin.

extrinsic allergic alveolitis
see hypersensitivity pneumonitis.
extrinsic factor
see extrinsic factor.
extrinsic incubation period
the period between infection of the arthropod insect vector and the vector's ability to infect the next vertebrate host.
extrinsic pathway
see coagulation pathways.
extrinsic protein
see membrane proteins.
References in periodicals archive ?
We can also make use of the Watts (2006) results to deduce that the mean extrinsic incubation period [[tau].
Virus titers will also vary according to the duration of the extrinsic incubation period.
He never considered the possibility of an extrinsic incubation period that would require time for the agent of yellow fever to incubate within mosquitoes.
Even if infected mosquitoes gain entry to such buildings, the artificially dry atmosphere lowers their survival rate, and the cool temperature extends the extrinsic incubation period, reducing the likelihood of transmission.