| bark | The outermost covering of trees and some plants. This is composed of the cuticle or epidermis, the outer bark (cortex), and the inner bark or fibre. (09 Oct 1997) |
|---|---|
| bark beetle | <zoology> A small beetle of many species (family Scolytidae), which in the larval state bores under or in the bark of trees, often doing great damage. Source: Websters Dictionary (01 Mar 1998) |
| bark louse | <zoology> An insect of the family Coccidae, which infests the bark of trees and vines. The wingless females assume the shape of scales. The bark louse of vine is Pulvinaria innumerabilis; that of the pear is Lecanium pyri. See Orange scale. Source: Websters Dictionary (01 Mar 1998) |
| Barkan | Otto, U.S. Ophthalmologist, 1887-1958. See: Barkan's operation. (05 Mar 2000) |
| Barkan's operation | Goniotomy for congenital glaucoma under direct observation of the anterior chamber angle. (05 Mar 2000) |
| barker | One who strips trees of their bark. 1. An animal that barks; hence, any one who clamors unreasonably. 2. One who stands at the doors of shops to urg passers by to make purchases. 3. A pistol. 4. <zoology> The spotted redshank. Source: Websters Dictionary (01 Mar 1998) |
| barking irons | 1. Instruments used in taking off the bark of trees. 2. A pair of pistols. Source: Websters Dictionary (01 Mar 1998) |
| Barkman | A컆e, 20th century Swedish internist. See: Barkman's reflex. (05 Mar 2000) |
| Barkman's reflex | Contraction of the ipsilateral rectus muscle in response to a stimulus applied to the skin below a nipple. (05 Mar 2000) |
| Barkow | Hans K.L., German anatomist, 1798-1873. See: Barkow's ligaments. (05 Mar 2000) |
| Barkow's ligaments | The anterior and posterior portions of the fibrous capsule of the elbow joint. (05 Mar 2000) |
| barley | <botany> A valuable grain, of the family of grasses, genus Hordeum, used for food, and for making malt, from which are prepared beer, ale, and whisky. <zoology> Barley bird, the siskin. Barley sugar, sugar boiled till it is brittle (formerly with a decoction of barley) and candied. Barley water, a decoction of barley, used in medicine, as a nutritive and demulcent. Origin: OE. Barli, barlich, AS. Baerlic; bere barley + lic (which is prob. The same as E. Like, adj, or perh. A form of AS. Leac leek). AS. Bere is akin to Icel, barr barley, Goth. Barizeins made of barley, L. Far spelt; cf. W. Barlys barley, bara bread. 92. Cf. Farina, 6th Bear. Source: Websters Dictionary (01 Mar 1998) |
| barley peroxidase | <enzyme> Endosperm specific enzyme; amino acid sequence given in first source Registry number: EC 1.11.1.- Synonym: b peroxidase 1, barley seed-specific peroxidase bp 1, barley seed peroxidase bp 2a (26 Jun 1999) |
| Barlow syndrome | <syndrome> Late apical systolic murmur or (so-called "mid-late") systolic click, or both, due to massive billowing of the anterior and/or posterior (mural) mitral valvular leaflet into the left atrial cavity (also, floppy valve syndrome); electrocardiographically, ST-T changes in a posteroinferior distribution resembling those of myocardial ischemia often coexist for unknown reasons; rhythm disturbances may coexist with this syndrome without demonstrable pathogenetic relationship. (05 Mar 2000) |
| Barlow's disease | infantile scurvy |