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 ?
Tabell I Oversikt over sub-tema og tema Sub-tema Tema Utfordringer i relasjoner Moralske utfordringer Utfordringer knyttet til A vaere [much less than] mellom barken formelle regler og veden [much greater than] Emosjonelle utfordringer Faglige utfordringer Samarbeidsutfordringer
Gothenburg's impressive marketplace' The harbour hostel' The Barken Viking' The Hotel Scandic' Browse around the Christmas markets' Treat the kids at Universeum' Liseberg rides are out of this world' Pictures: ALAMY
Richard Blair, Barken's fractional ownership program administrator, explains how it works: Basically the individual or corporate entity purchases a percentage share in the title of the aircraft, based on the plane and its year of manufacture.
Israel Barken of the Prostate Cancer Research and Educational Foundation, Moshe Rogosnitzky of MedInsight Research Institute, and Dr.
(10.) Goluboff ET, Prager D, Ruskstalis D, Giantonio B, Madorsky M, Barken I, et al.
Its resurrection in the nineties on the Latin side has to be credited to jazz impresario Todd Barken, who brought a cast of talented New York artists to the label.
Lee Barken, CISSP, CCNA, MCE CPA, is co-director of the Strategic Technologies and Research (STAR) Center at San Diego State University.
Lee Barken, CISSP, CCNA, MCP, CPA has been in the IT industry since 1987.
"It's an interesting move," comments MOBILE BUSINESS ADVISOR Technical Editor Lee Barken. "Cisco doesn't sell anything that costs less than $500, and Linksys doesn't sell anything that costs more than $500.
Lee Barken, CISSP, CCNA, MCP, has been in the IT industry since 1987.
Lee Barken, CCNA, MCP, has more than 15 years of experience in the IT industry.