(Anatomy)any of numerous minute elongated projections set closely together on a surface, typically increasing its surface area for the absorption of substances, in particular (剖)绒毛,尤指 ■a finger-like projection of the lining of the small intestine 小肠绒毛 ■a fold of the chorion 绒毛膜
派生 villiform adjective villose adjective 语源
early 18th cent.: from Latin, literally shaggy hair'