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 ?
From the cascading phrases of Oiseaux tristes to the contrast of busy waves and the rocking boat in Une barque sur l'ocan, she excelled in this "unpianistic" music.
Her program included a couple of intricate Chopin numbers and a piece from Ravel that was fitting for the setting: ``Une barque sur l'ocean'' (a boat over the ocean).
If there is an actual tomb of Osiris in the text, it is the one associated with CT spell 1118-1124, where a figure made of earth seems to be kept--even though one might still quibble whether it is really a tomb, given that it is shown pictorially as a barque.
The novelist Joseph Conrad, who was to include a collier, Judea, in his writings, served on the Sunderland-built coal barque Palestine and visited the Tyne three times.
Tranquillity will not return until the Pope succeeds in anchoring the barque of Peter between the twin pillars of Eucharistic Adoration and devotion to Our Lady.
It is a room typical of its time and place, except that it's the captain's cabin aboard the sailing barque Belmont.
Good morning, Barque," she said to a skinny one-eyed dog.
Several Navy ships and submarines paraded through the harbor, concluding with the 1863 sailing barque Star of India, which has been called the foremost symbol of San Diego.
The diver, who lived with fiancee Pauline Matthews and her young daughter in Portlethen, near Aberdeen, was working from a diving bell in Shell's Barque field, 60 miles off Norfolk.
The nautical note is reflected in the names of the flats: the Barque, Clipper, Galleon, Schooner, Square Rigger and Windjammer.
Sharing shipboard challenges aboard the Trust's barque, the LORD NELSON, has given both able-bodied and voyagers with disabilities a new point of view and a new understanding of how small the differences are between them.