haustellum

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haustellum

/haus·tel·lum/ (haw-stel´um) pl. haustel´la   [L.] a hollow tube with an eversible set of five stylets, by which certain ectoparasites, e.g., bedbugs and lice, attach themselves to the host and through which blood is drawn up.

haustellum

(hô-stĕl′əm)
n. pl. haustella (hô-stĕl′ə)
A proboscis in certain insects that is used for sucking liquids.

haus·tel′late (hô-stĕl′ĭt, hô′stə-lāt′) adj.