margin


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Related to margin: profit margin, margin call, Margin trading

margin

 [mahr´jin]
an edge or border.
gingival margin gum margin.
gum margin the border of the gingiva surrounding, but unattached to, the substance of the teeth.
margin of safety a calculation that takes the highest animal no observed adverse effect level and estimates a maximum safe level of exposure for humans. It is now generally superseded by the reference dose.

mar·gin

(mar'jin), [TA]
A boundary, edge, or border, as of a surface or structure.
See also: border, edge.
Synonym(s): margo [TA]
[L. margo, border, edge]

margin

/mar·gin/ (mahr´jin) an edge or border.mar´ginal
dentate margin  pectinate line.
gingival margin  the border of the gingivia surrounding, but unattached to, the substance of the teeth.

margin

1 the mechanical preparation of a ledge to which a dental restoration meets natural tooth structure. Margins may occur above the gingiva (supragingival) and/or below the gingiva (subgingival). Compare bevel, butt, shoulder, chamfer.
2 See border.

margin

Managed care
A popular “short form” for margin of profitability, the annual percentage of profits generated from a hospital, regardless of whether it is for-profit or nonprofit.
 
Medspeak
The edge, limit or extreme of a thing.
 
Pathology
The surgical limit of a resected tissue.

mar·gin

(mahr'jin) [TA]
A boundary, edge, or border, as of a surface or structure.
See also: border
Synonym(s): margo [TA] .

mar·gin

(mahr'jin) [TA]
A boundary, edge, or border, as of a surface or structure.

margin,

n 1. the extreme edge of something.
n 2. the boundary of a surface.
n 3. in a cavity preparation for a restoration, the margin is the outside limit of the surgical preparation. See also cavosurface angle.
margin, bone,
n the peripheral edge of a bone.
(kā´vōsur´fəs),
n the point of contact between a tooth surface and the face of an associated cavity.
margin, enamel,
n the part of the margin of a preparation that is laid in enamel.
margin, free gingival,
n See margin, gingival.
margin, gingival,
n 1. the cavosurface angle of the wall of a cavity preparation closest to the apex of the root.
n 2. the crest or tip of the gingival tissues that forms the wall ofthe gingival sulcus. Also called
free gingival margin or
gingival crest.
margin of safety,
n the margin between lethal and toxic doses.
margin, thickened bone,

margin

border, margin or edge.

antitragal margin
caudal edge of the ear.
central margin
the inner margin of the sole of the horse's hoof, occupied by the bars and the apex of the frog.
coronal margin
proximal border of the hoof where the horn meets the skin.
epididymal margin
the attached border of the testis where the epididymis is attached.
free margin (margo liber)
the unattached border of the testis.
interalveolar margin
the ridge along the alveolar process of the maxillae and mandibles between the teeth.
mesometric margin
the border of the uterus to which the broad ligament is attached.
parietal margin
outer margin of the sole of the hoof, connected to the wall of the hoof by the white line.
plicated margin
the raised cuticular ridge that separates the esophageal part of the stomach in the horse from the glandular part.
pupillary margin
the free edge of the iris, the edge of the pupil.
safety margin
1. the ratio between the lethal dose for 1% of the population and the effective dose for 99% of the population. Used to describe the toxicity of a pharmaceutical agent.
2. estimate of the ratio of the 'no-observed-effect' level (NOEL) to the level accepted in regulations relating to epidemiology and disease control. Called also margin of safety.
tragal margin (margo tragicus)
anteromedial edge of the ear.
References in classic literature ?
The chiefs, who awaited them on the margin of the river, remained seated in their semicircle, without stirring a limb or moving a muscle, motionless as so many statues.
She had her pencil in her hand, and was making tiny side-plans on a margin.
He jealously guarded the margin he had gained, for he knew there were difficult stretches to come.
As it was, they were running far behind their schedule, each day eating into the margin they had run up.
I was able practically to show this fact, by covering the edges of the hexagonal walls of a single cell, or the extreme margin of the circumferential rim of a growing comb, with an extremely thin layer of melted vermilion wax; and I invariably found that the colour was most delicately diffused by the bees--as delicately as a painter could have done with his brush--by atoms of the coloured wax having been taken from the spot on which it had been placed, and worked into the growing edges of the cells all round.
This capacity in bees of laying down under certain circumstances a rough wall in its proper place between two just-commenced cells, is important, as it bears on a fact, which seems at first quite subversive of the foregoing theory; namely, that the cells on the extreme margin of wasp-combs are sometimes strictly hexagonal; but I have not space here to enter on this subject.
Now, as the island sinks down, either a few feet at a time or quite insensibly, we may safely infer, from what is known of the conditions favourable to the growth of coral, that the living masses, bathed by the surf on the margin of the reef, will soon regain the surface.
She stopped; her colour heightened, and the fingers of the hand that rested upon the album beat gently on the margin of the drawing, as if her memory had set them going mechanically with the remembrance of a favourite tune.
At the very margin of the thicket, and in absolute contact with the earth, lay an animate ball, that might easily, by the singularity and fierceness of its aspect, have justified the disturbed condition of the naturalist's mind.
Kantos Kan had fought several times during the day and like myself had always proven victorious, but occasionally by the smallest of margins, especially when pitted against the green warriors.
Stocks and bonds, loans and mortgages, margins and securities--here was a world of finance, and there was no room in it for the human world or the world of nature.
A 25 per cent drop on the Dubai index from December 1 through December 17 triggered a lot of margin calls by brokers, which aggravated the selling pressure on the UAE markets.