Thimble-shaped mass of cells covering and protecting the growing tip of a root.Produced by the apical meristem (area capable of cell division in plants), the root cap is found in almost all plants at the apex of the root.
http://www.biology-online.org/dictionary/Root_cap
Three Zones. There are three zones of cells in the root that correspond with different stages of primary growth. Right behind the root tip is the zone of cell division, which includes the root apical meristem. This is where new cells are produced, including those that make up the root cap.
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The root cap is a small structure but one that serves a very important function for a plant. Protecting the root apical meristem allows for primary growth in the root, which paves the way for lengthening of the plant as well as cell specialization.
http://study.com/academy/lesson/root-cap-function-definition-quiz.html
In this lesson you will learn about root caps, which provide protection to root tips. Roots are very complex structures with a variety of functions, and the root cap is a small but integral part of the overall root system.
http://study.com/academy/lesson/root-cap-function-definition-quiz.html
• ROOT CAP (noun). The noun ROOT CAP has 1 sense: 1. thimble-shaped mass of cells covering and protecting the growing tip of a root. Familiarity information: ROOT CAP used as a noun is very rare.
http://www.audioenglish.org/dictionary/root_cap.htm
The root system is comprised of the main root (or roots); the root hairs, which are very small but numerous structures that absorb water and nutrients from the ground; lateral roots, which are any roots that branch off of the main root; and the root cap, which provides protection for the growing part of the root.
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Root cap. The root cap is a section of tissue at the tip of a plant root. It is also called calyptra. Root caps contain statocytes which are involved in gravity perception in plants. If the cap is carefully removed the root will grow randomly. The root cap protects the growing tip in plants.
http://www.definitions.net/definition/root%20cap
Noun. 1. root cap-thimble-shaped mass of cells covering and protecting the growing tip of a root. plant organ-a functional and structural unit of a plant or fungus. root - (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground.
http://www.thefreedictionary.com/root+cap
root cap. n. 1. (Botany) a hollow cone of loosely arranged cells that covers the growing tip of a root and protects it during its passage through the soil.
http://www.thefreedictionary.com/root+cap
root cap. (Science: botany) A mass of parenchymtous cells which covers and protects the growing cells at the end of a root; a pileorhiza. The issue found at the apex of roots, overlying the root apical meristem and protecting it from friction as the root grows through the soil. Secretes a glycoprotein mucilage as a lubricant.
http://www.biology-online.org/dictionary/Root_cap
definition of root cap
The definition of root cap is the thimble shaped mass of cells covering and protecting the growing tip of a root. A root cap is a thimble shaped mass of cells covering and protecting the growing tip of a root.  