procambium

基本解釋

The first formed xylem that differentiates from the procambium.
原生木質(zhì)部最先形成的木質(zhì)部，與原形成層不同
Primary xylem Xylem derived from the procambium in the young plant.
初生木質(zhì)部：指幼嫩植物中來源於原形成層的木質(zhì)部。
Primary phloem PHLOEM derived from the procambium in the young plant.
初生靭皮部：指幼嫩植物中來源於原形成層的靭皮部。
Cells of the procambium and ground meristem are more vacuolated than those of the protoderm.
原形成層和基本分生組織的細(xì)胞比原表皮層細(xì)胞更加液泡化。
Protophloem The first-formed PRIMARY PHLOEM, differentiated from the procambium in the region just behind the meristem.
原生靭皮部：最早形成的初生靭皮部，由位於分生組織中的原形成層分化而來。