| 释义 |
mesop·te·ryg·i·um
\|me]ˌzäptəˈrijēəm, |mē], ]ˌsä-\ noun
Etymology: New Latin, from mes- + Greek pterygion fin, literally, small wing — more at pterygium
: the middle one of the three principal basal cartilages in the pectoral fins of various fishes (as the sharks and rays) — compare basipterygium |