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
Farlex Partner Medical Dictionary © Farlex 2012

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.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Take white willow bark and bromelain orally, two capsules 2-3 times per day for pain control and as an anti-inflammatory.
White Willow Bark: commonly known as "nature's aspirin" with natural anti-inflammatory properties for pain relief*
Zen Nutrients VitaBack capsules contain: Boswellia, Devil's Claw, White Willow Bark, Glucosamine, Chondroitin, MSM, Collagen, Hyaluronic Acid, Curcumin, Bromelain, L-Proline, L-Glutamine, Zinc, Magnesium, Manganese, Vitamin C, Vitamin D, and Vitamin B12.
chondroitin sulfate, menthol and white willow bark) be absorbed by the skin.
Personally, I would prefer to use plants like white willow bark and black cohosh - which, in my experience, have a more predictable result.
CLAIM: Contains traces of salicin, also found in white willow bark and from the same family of chemicals as aspirin.
It includes celadrin, which is a fatty acid complex, white willow bark extract, a phytonutrient complex, essential fatty acids, polygonum cuspidatum (Japanese knotweed), a plant-based estrogen and glucosamine.
The base for the formula is white willow bark, a natural anti-inflammatory from which aspirin is derived.
Included in our herbal blend is white willow bark, the active ingredient in aspirin, ginger, which increases blood flow and circulation to the abdominal area, and St.
Billed as ideal for the treatment of muscle pains and strains, backaches, joint pain, headaches and arthritis, Blue Goo, available in cream and gel formulations, is formulated with methylsulfonylmethane (MSM), glucosamine HCI, chondroitin sulfate, emu oil, menthol and white willow bark, as well as other herbal ingredients.