单词secondary phloem
un.: 次生韧皮部；次生韧心皮部
网络: 次生韧皮层；次级韧皮部；二级韧皮部
次生韧心皮部
次生韧皮部
More secondary phloem than secondary xylem in carrot Parenchyma predominates in vascular tissues .
在胡萝卜根，薄壁细胞在维管组织中占主导地位，次生韧皮部比次生木质部更发达。
Only a small quantity of phloem fibers were distributed in the secondary phloem, and the phloem ray was unconspicuous.
次生韧皮中分布有少量韧皮纤维，韧皮射线不明显。
Some segments of hypha, swelled hypha, pelotons and conidiophore were in colonies in cork and secondary phloem.
在美登木木栓层和次生韧皮部中分布有菌丝片段、膨大的菌丝、菌丝团及分生孢子；
are found in secondary phloem, and rays are rather rich in secondary xylem.
次生韧皮部有石细胞，次生木质部射线发达。
the stem of annual plants closes to apical bud, they have obvious secondary xylem and secondary phloem, the structure of periderm is intact;
一年生实生苗茎近顶芽处，次生木质部、次生韧皮部明显，周皮结构完整；茎次生木质部为散孔材；