| CSA | 1) Cell Surface Antigen 2) Central Sleep Apnea |
|---|---|
| HBsAg | Hepatitis B surface Antigen |
| AMLSGA | acute myeloblastic leukemia surface glycoprotein antigen |
| anti-HBs | antibody to hepatitis B surface antigen |
| ASA | acetylsalicylic acid; active systemic anaphylaxis; Adams-Stokes attack; American Society of Anesthes... |
| pulmonary surface of heart | The lateral surface of the heart, directed toward the lungs; on the left it is principally the left ventricular wall; on the right it is the right atrial wall and the upper part of the right ventricular wall. Synonym: facies pulmonalis cordis. (05 Mar 2000) |
|---|---|
| smooth surface caries | Caries initiated on the smooth surfaces of teeth. (05 Mar 2000) |
| soil surface | The upper limits of the soil profile, for mineral soils, the upper limits of the highest mineral horizon (A-horizon), for organic soils, the upper limit of undecomposed organic matter. (09 Oct 1997) |
| SP220K cell surface matrix proteinase | <enzyme> Inactive form has guanidinobenzoatase activity; active form has gelatinolytic activity Registry number: EC 3.4.21.- Synonym: sp220k enzyme (26 Jun 1999) |
| nasal surface of maxilla | The surface of the maxilla that forms part of the lateral nasal wall with a large defect (maxillary hiatus) posteriorly and the lacrimal sulcus in its midportion. Synonym: facies nasalis maxillae. (05 Mar 2000) |
| navicular articular surface of talus | The large convex surface on the head of the talus for articulation with the navicular bone. Synonym: facies articularis navicularis tali. (05 Mar 2000) |
| sternal articular surface of clavicle | The oval surface on the sternal end of the clavicle that articulates with the fibrocartilaginous disk of the sternoclavicular joint. Synonym: facies articularis sternalis claviculae. (05 Mar 2000) |
| sternocostal surface of heart | The anterior aspect of the heart, formed mostly by the right ventricle and to a lesser extent the left ventricle. Synonym: facies sternocostalis cordis. (05 Mar 2000) |
| subocclusal surface | A portion of the occlusal surface of a tooth which is below the level of the occluding portion of the tooth. (05 Mar 2000) |
| superior articular surface of tibia | The articular surface on the proximal end of the tibia that is divided into medial and lateral portions for articulation with the condyles of the femur. Synonym: facies articularis superior tibiae. (05 Mar 2000) |
| superior part of diaphragmatic surface of liver | The convex superior portion of the diaphragmatic surface of the liver. Synonym: pars superior faciei diaphragmaticae hepatis. (05 Mar 2000) |
| superior surface of cerebellar hemisphere | It lies against the under surface of the tentorium and includes the ala lobuli centralis, quadrangular lobule, simple lobule, and superior semilunar lobule. Synonym: facies superior hemispherii cerebelli. (05 Mar 2000) |
| superior surface of talus | The surface of the trochlea of the talus in contact with the inferior articular surface of the tibia. Synonym: facies superior tali. (05 Mar 2000) |
| superolateral cerebral surface | The aspect of the cerebral hemisphere that lies in contact with the flat bones of the skull; it includes parts of the frontal, parietal, temporal, and occipital lobes. Synonym: facies superolateralis cerebri, cortical convexity, superolateral cerebral surface. (05 Mar 2000) |
| superolateral surface of cerebrum | The aspect of the cerebral hemisphere that lies in contact with the flat bones of the skull; it includes parts of the frontal, parietal, temporal, and occipital lobes. Synonym: facies superolateralis cerebri, cortical convexity, superolateral cerebral surface. (05 Mar 2000) |