| posterior surface of petrous part of temporal bone | The surface of the petrous part of the temporal bone that contributes to the posterior cranial fossa. Synonym: facies posterior partis petrosae ossis temporalis. (05 Mar 2000) |
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| posterior surface of radius | The posterior surface of the radius. Synonym: facies posterior radii. (05 Mar 2000) |
| posterior surface of shaft of humerus | The posterior surface of the humerus. Synonym: facies posterior corporis humeri. (05 Mar 2000) |
| posterior surface of suprarenal gland | The posterior surface of the suprarenal gland. Synonym: facies posterior glandulae suprarenalis. (05 Mar 2000) |
| posterior surface of thigh | The back of the thigh. Synonym: facies femoralis posterior, posterior surface of thigh, regio femoralis posterior. (05 Mar 2000) |
| posterior surface of tibia | The posterior surface of the tibia. Synonym: facies posterior tibiae. (05 Mar 2000) |
| posterior surface of ulna | The posterior surface of the ulna. Synonym: facies posterior ulnae. (05 Mar 2000) |
| posterior talar articular surface of calcaneus | Articulates with talus (subtalar joint) posterior to sinus tarsi. Synonym: facies articularis talaris posterior calcanei. (05 Mar 2000) |
| cuboidal articular surface of calcaneus | The saddle-shaped surface on the anterior end of the calcaneus for articulation with the cuboid bone. Synonym: facies articularis cuboidea calcanei. (05 Mar 2000) |
| sacropelvic surface of ilium | The medial surface of the ilium behind and below the iliac fossa; it includes the iliac tuberosity, the auricular surface and the smooth pelvic surface below and in front of the auricular surface. Synonym: facies sacropelvina ossis ilii. (05 Mar 2000) |
| hepatitis B surface antigen | <virology> A serologic marker on the surface of the hepatitis B virus. The body will normally produce antibodies to hepatitis B surface antigen as part of the normal immune response to infection. It is the presence of antibodies to the hepatitis B surface antigen that are detected in a positive hepatitis B blood test. (27 Sep 1997) |
| hepatitis b surface antigens | Those hepatitis b antigens found on the surface of the dane particle and on the 20 nm spherical and tubular particles. Several subspecificities of the surface antigen are known. These were formerly called the Australia antigen. (12 Dec 1998) |
| 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) |