The pith of this stemlike stele appears rather strongly like collenchyma tissue.茎状中柱的髓显得颇强健,像厚角组织.Collenchyma cells have thick walls that are especially developed at the corners of the cell.厚角组织细胞尤其在细胞的各个角上具有厚壁....

n.厚角组织...

collenchyma的音标：collenchyma的英式发音音标为：[kə'leŋkɪmə]collenchyma的美式发音音标为：[kə'leŋkɪmə]...