| mesial surface of tooth | The contact surface of a tooth that is directed toward the median plane of the dental arch; opposite to the facies distalis dentis. Synonym: facies mesialis dentis. (05 Mar 2000) |
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| grinding surface | That portion of the surface of a denture that makes contact or near contact with the corresponding surface of an opposing denture or tooth. Synonym: facies occlusalis dentis, facies masticatoria, grinding surface, masticating surface, masticatory surface, occlusal surface. (05 Mar 2000) |
| right part of diaphragmatic surface of liver | The part of the diaphragmatic surface of the liver deep to the bodies of the lower ribs on the right side. Synonym: pars dextra faciei diaphragmaticae hepatis. (05 Mar 2000) |
| middle talar articular surface of calcaneus | Underlies the head of the talus and contributes to the talocalcaneonavicular joint. Synonym: facies articularis talaris media calcanei. (05 Mar 2000) |
| mirror, first or front surface | <microscopy> An optical mirror on which the reflecting surface is applied to the front surface of the mirror instead of to the back, that is, to the first surface of incidence. (05 Aug 1998) |
| colic surface of spleen | The surface of the spleen in contact with the colon. Synonym: facies colica splenis. (05 Mar 2000) |
| plantar surface of toe | plantar surface of toe |
| contact surface of tooth | The surface of a tooth that faces an adjacent tooth in the dental arch; the contact surface that is closest to the anterior midline of the dental arch is the mesial surface of a tooth; that farthest is the distal surface. Synonym: facies approximalis dentis, facies contactus dentis. (05 Mar 2000) |
| costal surface | The surface of certain structures that face the ribs; they are the lungs and the scapula. Synonym: facies costalis. (05 Mar 2000) |
| costal surface of lung | The surface of each lung that lies in contact with the costal pleura. Synonym: facies costalis pulmonis. (05 Mar 2000) |
| costal surface of scapula | The concave aspect of the body of the scapula that faces the thorax and that principally lodges the subscapularis muscle. Synonym: facies costalis scapulae. (05 Mar 2000) |
| popliteal surface of femur | The posterior surface of the lower end of the femur between the diverging lips of the linea aspera. Synonym: facies poplitea femoris, planum popliteum, popliteal plane of femur. (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) |