Malpighian tubule

(redirected from Malpighian tubule system)
Also found in: Dictionary, Medical, Wikipedia.

Malpighian tubule

[mal′pig·ē·ən ′tü‚byül]
(invertebrate zoology)
Any of the blind tubes that open into the posterior portion of the gut in most insects and certain other arthropods and excrete matter or secrete substances such as silk.