bark

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bark

(bark),
1. The envelope or covering of the roots, trunk, and branches of plants. Barks of pharmacologic significance not listed below are alphabetized under specific names.
2. Synonym(s): cinchona

bark

Botany
The outer covering of trees and some plants, which consists of a cuticle (epidermis), outer bark (cortex) and inner bark (fibre).
 
Herbal medicine
(1) China, see there.
(2) Cinchona, see there; Cinchona species.
 
Veterinary medicine
The harsh sound uttered by a dog.

bark

the outer, living part of a woody stem, consisting of three layers:
  1. an inner layer called secondary PHLOEM, containing the elements of primary phloem plus horizontal ray cells which function in transporting materials across the stem.
  2. a middle layer of cork CAMBIUM, a group of meristematic (dividing) cells originating in the PARENCHYMA cells of the outer stem cortex. As the cells divide, the outer ones develop into cork cells and the inner ones give rise to parenchyma-like tissue.
  3. CORK, an outer region of cells forming a waterproof and protective layer broken only by LENTICELS.
References in periodicals archive ?
Bast says the brand took time to open its first store ithe region since it was essential to find the right partner and right location.
But at first it's kind of like looking at an X-ray without a medical degree," Bast explains.
These amulets commonly featured an image of a cat and its kittens and were often used by women trying to have children, praying to Bast that they be granted the same number of children as kittens depicted on the amulet."
En algunos mamiferos, el biceps femoral presenta dos partes con separacion completa o parcial (Bast et al., 1961).
Martin's mother obtained a divorce in March 1945 and on April 17, a few weeks before the war ended, became Bast's wife but their married life was short-lived.
Mean bast fiber percentage as calculated by the method of Sij et al.
Hancock won both the first two legs without dropping a point and he is firm favourite to clinch his sixth AMA title, which would leave him just one away from equalling Mike Bast's all-time record.
Church of Misery the same--unreleased material from the bast serial killer inspired doomsters Japan has to offer.
--Lindell Bast, Plant Engineer, Corbitt Manufacturing Co., St.
It contains essays by eight younger scholars who studied with him in Arizona, one of whom earned a doctorate elsewhere (Bast, Tyler, Milway, Dykema, Gow, Gregory, Manetsch, Haude), three Arizona colleagues (Weinstein, Bernstein, Karant-Nunn), one former Tubingen student now a professor at Erlangen (Hamm), and eight senior colleagues from the international scholarly community (Nederman, Brady, Estes, Tracy, Pettegree, McGinn, Backus, Van Engen).
It was going to be a Bast time for the champion and his caddie.