Propterygium
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Prop`te`ryg´i`um
n. | 1. | (Anat.) The anterior of three principal cartilages in the fins of some fishes. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
n. | 1. | (Anat.) The anterior of three principal cartilages in the fins of some fishes. |