fin spine meaning in English

鳍棘

Association between type and type venom glandular cells of in dorsal fin spine of stonefish ( inimicus japonicus ) was studied by light microscopy and electro microscopy
日本鬼背鳍棘毒腺中有两种类型毒腺细胞? ?型细胞和型细胞。
Observed in perspective light , wide opaque zones and close translucent zones arrange alternately on sectioned otolith , sectioned dorsal fin spine and vertebra . the joints between the wide zones and close zones are the annulis . 2
在透射光下观察，耳石磨片、背鳍条磨片和脊椎骨上宽的暗带与窄的亮带相间排列，亮带与外接暗带的分界处为年轮。
The interpretability of four kinds of ageing materials are as follows : sectioned dorsal fin spine > sectioned lapillus > scale > vertebra . sectioned dorsal fin spine is the best material in ageing of the fish less than eight years . as for the fish elder than eight years sectioned lapillus is the reliable ageing material that had more annulus readings than scale , dorsal fine spine and vertebra
对8龄以下个体，用背鳍条磨片鉴定年龄效果最佳；对8龄以上个体，臀鳞、背鳍条磨片和脊椎骨上的年轮计数明显低于微耳石磨片，微耳石磨片上的年轮计数最高，是高龄青海湖裸鲤可靠的年龄鉴定材料。