Palisade cells

Palisade cells
Palisade Pal`i*sade", n. [F. palissade, cf. Sp. palizada, It. palizzata, palizzo, LL. palissata; all fr. L. palus a stake, pale. See {Pale} a stake.] 1. (Fort.) A strong, long stake, one end of which is set firmly in the ground, and the other is sharpened; also, a fence formed of such stakes set in the ground as a means of defense. [1913 Webster]

2. Any fence made of pales or sharp stakes. [1913 Webster]

3. A line of bold cliffs, esp. one showing basaltic columns; -- usually in pl., and orig. used as the name of the cliffs on the west bank of the lower Hudson. [Webster 1913 Suppl.]

{Palisade cells} (Bot.), vertically elongated parenchyma cells, such as are seen beneath the epidermis of the upper surface of many leaves.

{Palisade worm} (Zo["o]l.), a nematoid worm ({Strongylus armatus}), parasitic in the blood vessels of the horse, in which it produces aneurisms, often fatal. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • palisade cells — a compact layer of cylindrical chloroplast bearing cells located in the mesophyll layer of a leaf, and so arranged that their long axes are at right angles to the epidermal surface of the leaf …   Medical dictionary

  • Palisade cell — Palisade cells are a type of leaf tissues and can be found within the mesophyll in leaves of dicotyledonous plants. They contain chloroplasts, which convert the energy stored in photons to chemical energy through photosynthesis.Palisade cells… …   Wikipedia

  • Palisade — Pal i*sade , n. [F. palissade, cf. Sp. palizada, It. palizzata, palizzo, LL. palissata; all fr. L. palus a stake, pale. See {Pale} a stake.] 1. (Fort.) A strong, long stake, one end of which is set firmly in the ground, and the other is… …   The Collaborative International Dictionary of English

  • Palisade worm — Palisade Pal i*sade , n. [F. palissade, cf. Sp. palizada, It. palizzata, palizzo, LL. palissata; all fr. L. palus a stake, pale. See {Pale} a stake.] 1. (Fort.) A strong, long stake, one end of which is set firmly in the ground, and the other is… …   The Collaborative International Dictionary of English

  • palisade mesophyll — or palisade parenchyma, the tissue formed by a layer of palisade cells …   Useful english dictionary

  • palisade parenchyma — noun : a layer of columnar or cylindrical cells that are rich in chloroplasts, have small intercellular spaces, and are found typically just beneath the upper epidermis of foliage leaves compare spongy parenchyma * * * Bot. the upper layer of… …   Useful english dictionary

  • palisade cell — noun : a cell of palisade parenchyma * * * palisade cell, any one of the long, slender cells with many chloroplasts that lie just beneath the epidermis of leaves. Palisade cells are useful in making food for the plant …   Useful english dictionary

  • palisade tissue — noun A tissue occurring in leaves, composed of cells placed closely together with their long axes perpendicular to the surface • • • Main Entry: ↑palisade …   Useful english dictionary

  • palisade parenchyma — n. a layer of cylindrical cells containing chloroplasts, lying just below the upper epidermis of many leaves with their long axes at right angles to the epidermis …   English World dictionary

  • palisade layer — noun Date: 1914 a layer of columnar cells rich in chloroplasts found beneath the upper epidermis of foliage leaves called also palisade mesophyll, palisade parenchyma, palisade tissue compare spongy parenchyma …   New Collegiate Dictionary

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