Lexic.us

Definition of Meristem

1. Noun. Undifferentiated tissue from which new cells are formed, as at the tip of a stem or root.

Definition of Meristem

1. n. A tissue of growing cells, or cells capable of further division.

Definition of Meristem

1. Noun. (botany) The plant tissue composed of totipotent cells that allows plant growth. ¹

¹ Source: wiktionary.com

Definition of Meristem

1. formative plant tissue [n -S]

Medical Definition of Meristem

1. Group of actively dividing plant cells, found as apical meristems at the tips of roots and shoots and as lateral meristems in vascular tissue (vascular cambium) and in cork tissue (phellogen). Also found in young leaves and at the bases of internodes in grasses. Consists of small nonphotosynthetic cells, with primary walls and relatively little vacuole. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Meristem

Literary usage of Meristem

Below you will find example usage of this term as found in modern and/or classical literature:

1. Plant Anatomy from the Standpoint of the Development and Functions of the by William Chase Stevens (1916)
"This is known as the primordial meristem. On comparing cross and longitudinal sections at successive planes below the apex we find that the primordial ..."

2. Text-book of Botany, Morphological and Physiological by Julius Sachs (1882)
"This tissue is termed Primary meristem ; it is a meristem because all the cells are capable of division, and primary because it presents the condition out ..."

3. The Essentials of Botany by Charles Edwin Bessey (1896)
"Primary meristem.—The ends of young stems consist of rudimentary tissue (meristem), from which all the tissues formed in the plant are derived. ..."

4. Comparative Anatomy of the Vegetative Organs of the Phanerogams and Ferns by Anton Bary (1884)
"In each system of the meristem the divisions pass through a definite number of stages, till they gradually cease. According as this happens, the cells, ..."

5. A Textbook of Botany for Colleges and Universities by John Merle Coulter, Charles Reid Barnes, Henry Chandler Cowles (1910)
"The repeated division of these initials and their progeny being the important feature, the formative tissue is designated as meristem, and because this ..."

6. Encyclopaedia Britannica: A Standard Work of Reference in Art, Literature (1907)
"Various modifications of the arrangement of the different layers in the meristem of roots nave been described. Very rarely, as in Hydro- charis and in ..."

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