| soc | 1. The lord's power or privilege of holding a court in a district, as in manor or lordship; jurisdiction of causes, and the limits of that jurisdiction. Liberty or privilege of tenants excused from customary burdens. 2. An exclusive privilege formerly claimed by millers of grrinding all the corn used within the manor or township which the mill stands. Soc and sac, the full right of administering justice in a manor or lordship. Origin: AS. Soc the power of holding court, sway, domain, properly, the right of investigating or seeking; akin to E. Sake, seek. Sake, Seek, and cf. Sac, and Soke Alternative forms: sock, and soke. Source: Websters Dictionary (01 Mar 1998) |
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| dent | 1. <prefix> Relating to the teeth or dentition, dental. See: odonto-. Origin: L. Dens, tooth 2. A slight depression, or small notch or hollow, made by a blow or by pressure; an indentation. "A blow that would have made a dent in a pound of butter." (De Quincey) Origin: A variant of Dint. Source: Websters Dictionary (21 Jun 2000) |
| contra- | Opposed, against. See: counter-. Compare: anti-. Origin: L. (05 Mar 2000) |
| contra-angle | 1. One of the double or triple angles in the shank of an instrument by means of which the cutting edge or point is brought into the axis of the handle. 2. An extension piece added to the end of a dental handpiece which, through a set of bevel gears, changes the angle of the axis of rotation of the bur in relation to the axis of the handpiece. (05 Mar 2000) |
| contra-aperture | A second opening made at the dependent part of an abscess or other cavity containing fluid, which is not draining satisfactorily through an opening previously made. Synonym: contra-aperture, counterpuncture. (05 Mar 2000) |
| Placido da Costa, Antonio | <person> Portuguese ophthalmologist, 1848-1916. See: Placido da Costa's disk. (05 Mar 2000) |
| Placido da Costa's disk | <instrument> An instrument marked with lines or circles by means of which the corneal reflex can be observed. Synonym: Placido da Costa's disk. Origin: kerato-+ G. Skopeo, to examine (05 Mar 2000) |
| costa | <microbiology> Rod shaped intracellular organelle lying below the undulating membrane of Trichomonas. Generates active bending associated with local loss of birefringence at the bending zone, probably as a result of conformational change in the longitudinal lamellae. Major protein approximately 90 kD. (10 Nov 1998) |
| costa cervicalis | A rib which arises from the seventh cervical vertebrae (above the normal first rib). Occurs in only about 0.5% of people. May cause nerve and artery problems. (12 Dec 1998) |