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Related to Mastax: clitellum, metamerism, scolex


n.1.(Zool.) The pharynx of a rotifer. It usually contains four horny pieces. The two central ones form the incus, against which the mallei, or lateral ones, work so as to crush the food.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
A method based on the internal structure of hard parts of the mastax (henceforward: trophi) has been recommended for ecological studies (De Smet, 1998; Obertegger et al., 2006); however, there are still some gaps and discrepancy in descriptions of trophy morphology for certain species.