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 ?
Bark in the Park holds a yearly annual nonprofit, Car Show and Dog Contest Event, raising funds and awareness for several local organizations for victim of crimes, animal rescue and K-9 police vests.
alright to call it bark, though it felt like something else.
The Humane Society of the United States suggests several possible reasons our dogs bark.
[ClickPress, Fri May 17 2019] The Western European region, with its high expenditure on herbal medicine research is expected to drive the pygeum bark extract market.
It is activated by the dog's bark, so the punishment occurs at the correct time.
Harvesting and peeling bark, on the other hand, may be new for some of you.
The PetSafe Spray Bark Collar deters unwanted or excessive barking, whining and whimpering with a mild burst of citronella or unscented spray using a rechargeable, water-resistant collar.
Test Organisms: For appraisal of antibacterial and antifungal potential of bark and leaf of G.
If there are other behavioural issues that are contributing to the bark, such as separation anxiety, these will also need to be addressed at the same time.
Sometimes, however, a dog may bark a lot, disturbing neighbours, keeping you awake at night or frightening visitors to your home.
Pine bark is considered an industry standard as a potting media.