| margin of safety |
The margin between the minimal therapeutic dose and the minimal toxic dose of a drug.
(05 Mar 2000) |
| margin of the tongue |
The lateral border that separates the dorsum from the inferior surface of the tongue on each side, the two borders meeting anteriorly at the apex.
Synonym: margo linguae.
(05 Mar 2000) |
| parietal margin |
Edge of a bone which articulates with the parietal bone.
See: parietal border of frontal bone, parietal border of sphenoid bone, parietal border of temporal bone.
Synonym: margo parietalis, parietal margin.
(05 Mar 2000) |
| mastoid margin of occipital bone |
The margin of the occipital squama that articulates with the temporal bone.
Synonym: margo mastoideus squamae occipitalis, mastoid margin of occipital bone.
(05 Mar 2000) |
| gingival margin |
The most coronal portion of the gingiva surrounding the tooth, the edge of the free gingiva.
Synonym: cervical margin, gingival crest.
(05 Mar 2000) |
| cavity margin |
The periphery of a filling, the line of junction between a restoration and the external surface of a tooth.
(05 Mar 2000) |
| reserve margin |
The amount by which the utility's total electric power capacity exceeds maximum electric demand.
(05 Dec 1998) |
| cervical margin |
Termination of a restoration in the gingival area.
(05 Mar 2000) |
| cervical margin of tooth |
The slightly constricted part of a tooth, between the crown and the root.
Synonym: cervix dentis, cervical margin of tooth, cervical zone of tooth, collum dentis, dental neck.
(05 Mar 2000) |
| mesovarian margin of ovary |
The border of the ovary to which the mesovarium is attached.
Synonym: margo mesovaricus ovarii, mesovarian margin of ovary.
(05 Mar 2000) |
| right margin of heart |
The border between the sternocostal and diaphragmatic surfaces of the heart; it is fairly well defined in fixed hearts but is rounded and indefinite in the living heart.
Synonym: margo dexter cordis, right margin of heart.
(05 Mar 2000) |
| ciliary margin of iris |
The peripheral border of the iris attached to the ciliary body.
Synonym: margo ciliaris iridis, ciliary margin of iris.
(05 Mar 2000) |
| corneal margin |
The margin of the cornea overlapped by the sclera.
Synonym: limbus corneae, corneal margin, sclerocorneal junction.
(05 Mar 2000) |
| cornua of falciform margin of saphenous opening |
See: inferior horn of falciform margin of saphenous opening, superior horn of falciform margin of saphenous opening.
(05 Mar 2000) |
| costal margin |
The lower edge of the chest (thorax) formed by the bottom edge of the rib cage.
(12 Dec 1998) |
