actinost

[动]鳍条基骨

词形变化

actinosts 复数 actinosts

释义与例句

n.
  1. 1.

    A bone at the base of a paired fin (of a fish)

    生物 动物学

词源

From New Latin, from Ancient Greek ἀκτίς (aktís, “ray”) + ὀστέον (ostéon, “bone”).

来源：wiktionary