羽枝 meaning in English
pinnule
Examples
- Likewise , a plumulaceous tuft of barbs evolved before the pennaceous feather with a rachis because the rachis is formed by the fusion of barb ridges
同样的，绒羽的羽枝簇比拥有羽轴的正羽更早演化出来，因为羽轴是由羽枝脊接合而成。 - The model hypothesizes , for example , that a simple tubular feather preceded the evolution of barbs because barbs are created by the differentiation of the tube into barb ridges
比如，我们的模型假设，简单的管状羽毛先于羽枝的演化，因为羽枝是由管子分化出羽枝脊才产生的。 - The outer layer of the barbules consists of a two - dimensional crystal framework made of melanin rods connected by keratin ? a fibrous protein ? in a lattice pattern
外层的小羽枝由一个二维的结晶状结构组成，由黑色素杆状细胞构成，与角蛋白相连? ?一种纤维状蛋白质? ?在一种格子式样图案里面。 - This advance enabled a stage 4 follicle to produce hooklets at the ends of barbules that could attach to the grooved barbules of the adjacent barbs and create a pennaceous feather with a closed vane
这个进展使得毛囊可以长出末端有小钩的羽小枝，钩住隔壁羽枝的沟状羽小枝，创造出羽片闭合的正羽。