羽芽 meaning in English
feather bud
feather germ
Examples
- Proliferation of cells in a ring around the feather germ creates a cylindrical depression , the follicle , at its base
环绕羽芽有一圈细胞不断增生，在基部形成圆柱状凹陷，称为毛囊。 - Feather growth begins with a thickening of the epidermis called the placode , which elongates into a tube ? the feather germ [ see illustration above ]
首先，表皮上的基板开始增厚，并拉长成一根管子，称为羽芽（见上方羽毛的成长过程） 。