| 释义 |
me·tap·ter·yg·i·um
\mə̇|taptə|rijēəm\ noun
(plural metapteryg·ia \-jēə\)
Etymology: New Latin, from meta- + Greek pterygion fin, literally, small wing — more at pterygium
: the posterior of the three principal basal cartilages in the pectoral fins of some fishes (as sharks and rays) — compare basipterygium |