refractory host

[rɪˈfræktəri hoʊst]
nounpl: refractory hosts
hospedeiro refratário
1. An organism that is resistant to infection by a particular pathogen or parasite and does not support its development or reproduction
The mosquito species proved to be a refractory host for the malaria parasite due to its natural immune barriers.
A espécie de mosquito provou ser um hospedeiro refratário para o parasita da malária devido às suas barreiras imunológicas naturais.
2. In parasitology and entomology, a host organism that cannot be infected or sustains infection poorly compared to permissive hosts
Scientists identified the refractory host population and studied its genetic resistance mechanisms.
Os cientistas identificaram a população de hospedeiro refratário e estudaram seus mecanismos de resistência genética.
This is primarily a scientific and technical term used in parasitology, entomology, and epidemiology. It is commonly encountered in research contexts, particularly regarding disease vector control and transmission dynamics. The concept is crucial in understanding why certain populations or species are naturally resistant to specific diseases, which has important implications for public health strategies and vector control programs in both Brazil and international scientific communities.
Synonyms / Sinônimos
resistant hostnon-permissive hostimmune host
Antonyms / Antônimos
permissive hostsusceptible hostcompetent host

Regional Variations

General Brazilian
hospedeiro refratário
Standard term used in Brazilian scientific and academic literature
Portugal
hospedeiro refratário
Same as Brazilian Portuguese; used in European scientific contexts
USA/International
refractory host
Predominant term in English-language scientific literature and research

Related Words

vector competencehost-pathogen interactionvector biologyparasite transmissionimmunity mechanisms

Related Idioms & Phrases

break the transmission cycle
incompatible host-vector system
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