procambium

[ proh-kam-bee-uhm ]

noun

, Botany.

1. the meristem from which vascular bundles are developed.

procambium

/ prəʊˈkæmbɪəm /

noun

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

procambium

/ prō-kăm′bē-əm /

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

Derived Forms

• proˈcambial, adjective

Other Words From

• pro·cambi·al adjective

Word History and Origins

Origin of procambium¹

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

Word History and Origins

Origin of procambium¹

C19: from pro- ² + cambium

Example Sentences

They show that cambial precursor cells, also known as procambium cells, are specified by a complex molecular network of plant hormones, transcription-factor proteins and microRNAs.

From Nature

Miyashima et al.3 and Smetana et al.4 studied the plant Arabidopsis thaliana, and report their analysis of the development of a tissue called the cambium, which generates cells of the water- and nutrient-transporting systems — the xylem and phloem, respectively. a, Miyashima and colleagues studied young roots to investigate how procambium cells proliferate.

From Nature

The studies by Smetana, Miyashima and their respective colleagues analysed the root procambium, which originates in the embryo.

From Nature

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

From Project Gutenberg

In the first year the wood and the bast are formed directly by the growth and change of the inner and outer cells respectively of the procambium strand, and all such material is called "primary;" but in subsequent years all wood, pith rays, and bast, originate in the cambium, and these growths are called "secondary."

From Project Gutenberg