Medical Dictionary

black–legged tick

\ˈblak-ˈlegd-, -ˈlāgd-; -ˈleg-əd-, -ˈlā-gəd-\

Medical Definition of BLACK-LEGGED TICK

:  either of two ixodid ticks: a :  deer tick b :  a tick (Ixodes pacificus) of the western United States and British Columbia that is the vector of several diseases (as Lyme disease)
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