Lexic.us

Definition of Root cap

1. Noun. Thimble-shaped mass of cells covering and protecting the growing tip of a root.

Medical Definition of Root cap

1. 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. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Root Cap

Literary usage of Root cap

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

1. Gray's Botanical Text-book by Asa Gray (1885)
"The Root-cap. The growing-points of nascent roots originate just below the surface of the organ whence they proceed; hence roots are said to be formed ..."

2. Physiological Botany by George Lincoln ( Goodale (1890)
"The epidermis never gives rise to a root-cap ; the root-cop once formed is continually renewed by the activity of its internal layers. ..."

3. Physiological Botany: I. Outlines of the Histology of Phaenogamous Plants by George Lincoln Goodale (1885)
"The Root-cap. The growing-points of nascent roots originate just below the surface of the organ whence they proceed ; hence roots are said to be formed ..."

4. Physiological Botany: I. Outlines of the Histology of Phaenogamous Plants by George Lincoln Goodale (1885)
"In dicotyledons, on the other hand, the epidermis is almost always independent of the cortex ; the root-cap is continually renewed by the activity of the ..."

5. Strasburger's Text-book of Botany by Eduard Strasburger, Hans Fitting, William Henry Lang (1921)
"The outer cell walls of the root-cap become mucilaginous, and this makes the forward ... The root-cap is usually only recognisable in median longitudinal ..."

6. Plant Life and Plant Uses: An Elementary Textbook, a Foundation for the by John Gaylord Coulter (1913)
"It Is protected by what 1s called the root follows the root-cap. (See Figure 42.) This cap is instead of grow- composed of several layers of cells. ..."

7. Plant Life and Plant Uses: An Elementary Textbook, a Foundation for the by John Gaylord Coulter (1913)
"C. Root-cap. — It is evident that the FIG 44- — Seedling ten(}er growing tip of a root would be in- of corn grown at ' ' the edge of a fun- jured if it kept ..."

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