procambium

American  

[proh-kam-bee-uhm] / proʊˈkæm bi əm /

noun

Botany.

1. the meristem from which vascular bundles are developed.

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procambium British  

/ prəʊˈkæmbɪəm /

noun

1. undifferentiated plant tissue, just behind the growing tip in stems and roots, that develops into conducting tissues

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procambium Scientific  

/ prō-kăm′bē-əm /

1. The primary meristem in vascular plants that gives rise to primary vascular tissues (phloem and xylem).

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Other Word Forms

• procambial adjective

Etymology

Origin of procambium

From New Latin, dating back to 1870–75; see origin at pro- ¹, cambium

Example Sentences

Apical meristems differentiate into the three basic types of meristem tissue which correspond to the three types of tissue: protoderm produces new epidermis, ground meristem produces ground tissue, and procambium produces new xylem and phloem.

From Textbooks • Jan. 1, 2015

P, pith; PB, primary bast; SB, secondary bast; C, cambium; PR, pith ray; PW, primary wood; SW, secondary wood; PS, procambium strands.

From Wood and Forest by Noyes, William

Stretching across these pith rays from the cambium layer in one procambium strand to that in the others, the cambium formation extends, making a complete cylindrical sheath from the bud downward over the whole stem.

From Wood and Forest by Noyes, William

They are made of protoplasm and are called the "procambium strands," Fig.

From Wood and Forest by Noyes, William