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HomeHomework HelpbotanyMeristems in Plants

Meristems in Plants

Meristems are regions of undifferentiated plant cells that have the capacity for continuous division and growth, enabling the formation of new tissues and organs throughout the plant's life. They are primarily located at the tips of roots and shoots (apical meristems) and in the cambium layer (lateral meristems), contributing to primary and secondary growth.

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Botany
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Overview

Meristems are vital growth tissues in plants that allow for continuous cell division and the formation of new tissues. They are categorized into three main types: apical, lateral, and intercalary, each serving specific functions in plant growth and development. Apical meristems contribute to the len...

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Key Terms

Apical Meristem
The meristem located at the tips of roots and shoots responsible for primary growth.

Example: The apical meristem allows the plant to grow taller.

Lateral Meristem
Meristems that contribute to the thickness of the plant, found in the cambium.

Example: Lateral meristems help trees grow wider.

Intercalary Meristem
Meristems located between mature tissues, allowing for regrowth in certain plants.

Example: Grass regrows quickly due to intercalary meristems.

Cell Division
The process by which a parent cell divides into two or more daughter cells.

Example: Cell division in meristems leads to new growth.

Tissue Culture
A technique used to grow plants from cells or tissues in a controlled environment.

Example: Tissue culture can produce many identical plants from a single meristem.

Primary Growth
Growth that occurs at the tips of roots and shoots, increasing length.

Example: Primary growth is responsible for a plant's height.

Related Topics

Plant Anatomy
Study of the structure of plants, including tissues and organs.
intermediate
Plant Physiology
Exploration of plant functions and processes, including growth and development.
intermediate
Plant Genetics
Understanding the genetic basis of plant traits and breeding.
advanced

Key Concepts

Types of MeristemsFunctions of MeristemsGrowth PatternsImportance in Plant Development