pterygiophore

English

Etymology

From pterygium +‎ -phore.

Noun

pterygiophore (plural pterygiophores)

  1. (marine biology) Any of the bones in a fish that support the dorsal fin. There are two to three of them: proximal, middle, and distal. In spinous fins the distal is often fused to the middle or not present at all.
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