1. of, relating to, or constituting the bony structure chiefly formed of the expanded and more or less fused hemal spines of the last few vertebrae that supports the caudal fin rays in most teleost fishes
2. a hypural bone
hypural 片语
片语
hypural fold尾下骨折层
hypural plate尾下骨盘
hypural bone下叶由增宽的尾下骨片
hypural arch尾椎下弧
hypural bones尾下骨
hypural crease尾下骨折痕
hypural notch尾下骨凹槽
hypural 例句
英汉例句
hypural notch The crease formed when the caudal fin is bent or flexed.
尾下骨凹槽当尾鳍被弯曲或弯曲的时候,形成的摺痕。
hypural bones The fan-shaped series of bones (sometimes fused to one or two plate-like bones) to which the caudal fin rays are attached.