- sagittal triradiates
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(PORIFERA)Tetraxon spicules with two equal angles and one dissimilar angle; see triradiate(s) .
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
triradiate — (s) adj. [L. tres, three; radius, spoke of wheel] 1. Having three radiating process. 2. (PORIFERA) Spicules having the three rays somewhat in the same plane; see sagittal triradiates … Dictionary of invertebrate zoology