margin

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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 It is now generally superseded by the reference dose.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

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.
References in periodicals archive ?
The inclusion criteria for the study was patients with advanced, recurrent pterygium in the age group 30-50 years with pterygium extending between the limbus and pupillary margin and over to the centre of cornea, patients with diminished vision due to astigmatism, due to corneal involvement or pupillary encroachment of pterygium, patients with progressive pterygium with ocular discomfort/restricted ocular motility and patients with recurrent pterygium (those who had undergone any one of pterygium surgery 1-2 years back and now has regrowth).
The iris was atrophic at the pupillary margin in 80 eyes (46.7%), while flattening of iris crypts was observed in 41 eyes (23.9%) (Figure 2).
Pterygium was graded according to corneal involvement (grade I: passes the limbus; grade II: between the limbus and the pupil; grade III: reaches the pupillary margin; grade IV: crosses the pupillary margin).