epaxial

epaxial muscles.

轴上肌。

epaxial lobe or web In the caudal fin, that part of the caudal fin between the base and dorsal margin, supported by ceratotrichia.

轴上叶或网在尾鳍结构里，在基底与上缘之间的部份尾鳍，角质鳍条支撑。