pterotic
翼聽骨
Pte·ro·tic a. Anat. Of or pertaining to, or designating, a bone between the prootic and epiotic in the dorsal and outer part of the periotic capsule of many fishes. -- n. The pterotic bone.
Note: ☞ The pterotic bone is so called because fancied in some cases to resemble in form a bird's wing
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