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pith

pith, in botany, core of the stem of most plants. Pith is composed of large, loosely packed food-storage cells. As the stem grows older the pith usually dries out, and in some it disintegrates and the stem becomes hollow. In trees the pith becomes much reduced as the woody tissue (xylem) grows. In East Asia, rice paper is made from the pith of some shrubs. Candlewicks are made of the pith of certain rushes.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

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Related content from HighBeam Research on: pith

Influence of sawing solution and pith location on warp in 2 by 4 lumber sawn from small-diameter loblolly pine stems. (Forest Products Journal)

Your headwear, I presume: Henry Morton Stanley's pith helmet. (Geographical)

Beauty in pursuit of pleasure: 19th-century Chinese export watercolours on pith depict a variety of idealised, attractive women. Ifan Williams traces the sources for these popular images, which appealed to western audiences as representations of the sophistication and exoticism of Chinese civilisation. (Apollo)

Off with the pith helmets. (The Economist (US))

Effects of sago palm pith as replacement for corn grain on intake, rumen fermentation characteristics and microbial N supply of cattle fed Paspalum plicatulum hay.(Report) (Asian - Australasian Journal of Animal Sciences)

Before the pith helmets (New Statesman (1996))

Kinetics and isotherm studies for the adsorption of phenol using low cost micro porous Zn[Cl.sub.2] activated coir pith carbon.(Report) (Canadian Journal of Civil Engineering)

Pith and kin of Christmas past. (Diary).(Brief Article) (Marketing Week)

Shopping carts and pith helmets.(1995 Special Libraries Association conference in Montreal, Canada, and the information revolution)(Editorial) (Searcher)

New raj--but no pith helmets (New Statesman (1996))

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