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Medical Term:


Pronunciation: or'ni-thod'o-rus

Definition: A genus of soft ticks (family Argasidae), several species of which are vectors of pathogens of various relapsing fevers. They are characterized by a capitulum hidden below the hood and by discs and mammillae of the integument that are continuous from dorsal to ventral surfaces in a variety of patterns.

[G. ornis (ornith-), bird, + doros, a leather bag]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.