margin(redirected from enamel margin)
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an edge or border.
gingival margin gum margin.
gum margin the border of the gingiva surrounding, but unattached to, the substance of the teeth.
Synonym(s): margo [TA]
[L. margo, border, edge]
margin/mar·gin/ (mahr´jin) an edge or border.mar´ginal
dentate margin pectinate line.
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.
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.
The edge, limit or extreme of a thing.
The surgical limit of a resected tissue.
A boundary, edge, or border, as of a surface or structure.
border, margin or edge.
caudal edge of the ear.
the inner margin of the sole of the horse's hoof, occupied by the bars and the apex of the frog.
proximal border of the hoof where the horn meets the skin.
the attached border of the testis where the epididymis is attached.
free margin (margo liber)
the unattached border of the testis.
the ridge along the alveolar process of the maxillae and mandibles between the teeth.
the border of the uterus to which the broad ligament is attached.
outer margin of the sole of the hoof, connected to the wall of the hoof by the white line.
the raised cuticular ridge that separates the esophageal part of the stomach in the horse from the glandular part.
the free edge of the iris, the edge of the pupil.
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.