| waller | <zoology> The wels. Origin: G. Source: Websters Dictionary (01 Mar 1998) |
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| Waller, Augustus | <person> English physiologist, 1816-1870. See: wallerian degeneration, wallerian law. (05 Mar 2000) |
| wallerian | Relating to or described by A.V. Waller. (05 Mar 2000) |
| wallerian degeneration | <medicine> A form of degeneration occurring in nerve fibres as a result of their division; so called from Dr. Waller, who published an account of it in 1850. Source: Websters Dictionary (01 Mar 1998) |
| wallerian law | After section of the posterior root of a spinal nerve between the root ganglion and the spinal cord, the central portion degenerates; after division of the anterior root, the peripheral portion degenerates; the trophic centre of the posterior root is therefore the ganglion, that of the anterior root the spinal cord. (05 Mar 2000) |
| wallflower | 1. <botany> A perennial, cruciferous plant (Cheiranthus Cheiri), with sweet-scented flowers varying in colour from yellow to orange and deep red. In Europe it very common on old walls. The name is sometimes extended to other species of Cheiranthus and of the related genus Erysimum, especially the American Western wallflower (Erysimum asperum), a biennial herb with orange-yellow flowers. 2. A lady at a ball, who, either from choice, or because not asked to dance, remains a spectator. Source: Websters Dictionary (01 Mar 1998) |
| wallhick | <zoology> The lesser spotted woodpecker (Dryobates minor). Source: Websters Dictionary (01 Mar 1998) |
| walling | 1. The act of making a wall or walls. 2. Walls, in general; material for walls. Walling wax, a composition of wax and tallow used by etchers and engravers to make a bank, or wall, round the edge of a plate, so as to form a trough for holding the acid used in etching, and the like. Source: Websters Dictionary (01 Mar 1998) |
| walloons | Sing. Walloon . [Cf. F. Wallon. A Romanic people inhabiting that part of Belgium which comprises the provinces of Hainaut, Namur, Liege, and Luxembourg, and about one third of Brabant; also, the language spoken by this people. Used also adjectively. "A base Walloon . . . Thrust Talbot with a spear." Walloon guard, the bodyguard of the Spanish monarch; so called because formerly consisting of Walloons. Source: Websters Dictionary (01 Mar 1998) |
| wallwort | <botany> The dwarf elder, or danewort (Sambucus Ebulus). Source: Websters Dictionary (01 Mar 1998) |
| cell wall skeleton | <chemical> A mucoprotein found in the cell wall of various types of bacteria. It has adjuvant and antitumour activities and has been used to augment the production of lymphokine-activated killer (lak) cells. Pharmacological action: adjuvants, immunologic. (12 Dec 1998) |
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| membranous wall of middle ear | The wall formed mainly by the tympanic membrane. Synonym: paries membranaceus cavi tympani, lateral wall of middle ear, membranous wall of middle ear. (05 Mar 2000) |
| membranous wall of trachea | The part of the tracheal wall posteriorly that is not reinforced by tracheal cartilages. Synonym: paries membranaceus tracheae. (05 Mar 2000) |
| chest wall | In respiratory physiology, the total system of structures outside the lungs that move as a part of breathing; it includes the rib cage, diaphragm, abdominal wall, and abdominal contents. Synonym: thoracic wall. (05 Mar 2000) |
| chest wall pain | Chest pain that originates from a noncardiac cause. Chest wall pain typically involves an inflammatory condition of the muscles, bones or joints that comprise the thorax. (27 Sep 1997) |
| ring-wall lesion | A small ring haemorrhage in the brain that stimulates proliferation of a glial ring. (05 Mar 2000) |
| pneumonia with chest-wall involvement | <radiology> Actinomyces israelii, Nocardia asteroides (12 Dec 1998) |
| posterior wall of middle ear | It contains the opening into the mastoid antrum. Synonym: paries mastoideus cavi tympani, mastoid wall of middle ear, posterior wall of middle ear. (05 Mar 2000) |
| posterior wall of stomach | That part of the gastric wall that faces the omental bursa. Synonym: paries posterior gastris. (05 Mar 2000) |
| posterior wall of tympanic cavity | It contains the opening into the mastoid antrum. Synonym: paries mastoideus cavi tympani, mastoid wall of middle ear, posterior wall of middle ear. (05 Mar 2000) |
| posterior wall of vagina | It is longer than the anterior wall and has a low ridge in the midline throughout most of its length. Synonym: paries posterior vaginae. (05 Mar 2000) |
| primary cell wall | <plant biology> A plant cell wall that is still able to expand, permitting cell growth. Growth is normally prevented when a secondary wall has formed. Primary cell walls contain more pectin than secondary walls and no lignin is present until a secondary wall has formed on top of them. (06 Mar 1998) |
| helicoidal cell wall | Type of plant cell wall in which each wall layer contains parallel microfibrils, but in which the orientation of the microfibrils changes by a fixed angle from one layer to the next. Gives a characteristic herringbone pattern in transmission electron microscopy. A similar architecture of fibrillar material is seen in some insect exoskeletons. (18 Nov 1997) |
| secondary wall | <plant biology> The part of the plant cell wall which is laid down on top of the primary wall after the wall has ceased to increase in surface area. Only occurs in certain cell types, for example tracheids, vessel elements and sclerenchyma. Differs from the primary wall both in composition and structure and is often diagnostic for a particular cell type. (18 Nov 1997) |
| hollow wall | A condition of the hoof wall in the toe region of horses, characterised by loss of substance and change in character of the horn, most often as a sequela of mild chronic laminitis. Synonym: dystrophia ungulae, hollow wall. (05 Mar 2000) |
| wall |
The unbroken portion of the wave.
Ãâó: www.geocities.com/Pipeline/Halfpipe/8119/glossary....
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| wall |
A wall is a jump. It's a "wall". Sometimes it's made to look like bricks, and sometimes it isn't.
Ãâó: members.tripod.com/~Hayley_C/glossary.html
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| wall |
Generally referring to cell wall.
Ãâó: www.botanyvt.com/pages/dictionary.shtml
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| walleye |
An eye with a whitish iris; a blue eye, fisheye, pearl eye.
Ãâó: www.bestfriendspetcare.com/dog_glossary/dog-terms-...
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| wall |
The outer, horny part of the hoof which is the primary weight bearing structure of the equine foot.
Ãâó: www.horseshoes.com/glossary/w/glsrw.htm
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| wall | mat-forming lithophytic or terrestrial fern with creeping rootstocks and large pinnatifid fronds found throughout North America and Europe and Africa and east Asia |
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| wall | European perennial subshrub with red-purple or bright rose flowers with red and white spots |
| wall | decoration that is hung (as a tapestry) on a wall or over a window |
| wall | enclose with a wall |
| wall | a painting that is applied to a wall surface |
| wall | paneling that forms part of a wall |
| wall | herb that grows in crevices having long narrow leaves and small pink apetalous flowers |
| wall | mossy European creeping sedum with yellow flowers |
| wall | plate (a timber along the top of a wall) to support the ends of joists, etc., and distribute the load |
| wall | receptacle providing a place in a wiring system where current can be taken to run electrical devices |
| wall | a rock immediately adjacent to a vein or fault |
| wall | yellow-flowered European plant that grows on old walls and in waste places |
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