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

(bahrk) the rind or outer cortical cover of the woody parts of a plant, tree, or shrub.
cramp bark  the dried bark of Viburnum opulus, the high bush or cranberry tree; it has been used as an antispasmodic, uterine sedative, and antiscorbutic.
elm bark , slippery elm bark the dried inner bark of the slippery elm, Ulmus rubra, which is mucilaginous and demulcent.
white willow bark  a preparation of the bark of various Salix species collectively known as white willow, containing salicin, a precursor of salicylic acid; used as an antiinflammatory and antipyretic.
yohimbe bark  a preparation of the bark of Pausinystalia yohimbe, used for the same indications as yohimbine hydrochloride; it has also been used traditionally as an aphrodisiac and for skin diseases and obesity.

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.

bark

1. the voice of the dog.
2. the outer covering of a tree.

bark eating
a form of pica often indicative of boredom, nutritional deficiency of fiber or behavioral problem.
bark suppression
References in periodicals archive ?
If an observed barky defect was less than 1/4 inches at its narrowest dimension, it was not counted as a bark occurrence, regardless of its length.
Pallets tallied as "bark" had at least one confirmable barky defect of the size described above.
Twenty-five-year-old Barky (scripter Chooney, using the pseudonym Marty Denniss) arrives at the city's central rail station early one morning on a summer weekend.
As he comes across various friends, including ex-girlfriend Lanny (Leah Vandenberg), Barky reveals more and more about himself and the oppressive world he left behind.
We're talking about golf novices who may know all about Bobby Jones fashions but have no idea what a barky is.
It's a pocket-size book filled with a glossary of tongue-in-cheek terms so when the guys razz you about hitting a great barky, you'll know they're complementing your ability to hit a ball into a tree and still make par for the hole.
Croup is often identified by a harsh, barky cough, caused by swelling and restriction of the larynx.
BRAKING THE BARK Help for those who live with a very barky dog.
Older children and adults with laryngitis will still develop a hoarse voice, sore throat, and slightly barky cough, but no breathing difficulty.
This is useful if your dog is already prone to being vocal, but I choose not to put barking on cue if my dog isn't already offering to bark, because I don't want to risk creating a barky dog.
Medically, croup is distinguished by a harsh, barky cough.