| 释义 |
protophloem
protophloem (ˌprəʊtəʊˈfləʊɛm) n (Botany) botany the earliest-formed elements of the primary phloem, the cells of which reach maturation before the elongation of the surrounding tissue
protophloem
protophloem[¦prōd·ə′flō·əm] (botany) The initial primary phloem developed from the procambium. |