| superior sagittal sinus |
An unpaired dural venous sinus in the sagittal groove, beginning at the foramen caecum and terminating at the confluence of sinuses where it merges with the straight sinus; receives the superior cerebral veins and has lateral extensions, the lateral venous lacunae. Synonym: sinus sagittalis superior, superior longitudinal sinus. Tarsal sinus, a hollow or canal formed by the groove of the talus and the interosseous groove of the calcaneus which is occupied by the interosseous talocalcaneal ligament. Synonym: sinus tarsi, tarsal canal. (05 Mar 2000) |
| inferior sagittal sinus |
An unpaired dural venous sinus in the lower margin of the falx cerebri, running parallel to the superior sagittal sinus and merging with the great cerebral vein to form the the straight sinus. Synonym: sinus sagittalis inferior, inferior longitudinal sinus. (05 Mar 2000) |
| left sagittal fissure |
A sagittal groove on the undersurface of the liver formed by the fissura ligamenti teretis anteriorly and the fissura ligamenti venosi posteriorly. (05 Mar 2000) |
| alveolar border |
The most occlusal edge of the alveolar bone. Synonym: alveolar process. (05 Mar 2000) |
| anterior border |
The ventral or most forward margin of a structure. Synonym: anterior margin, ventral border. (05 Mar 2000) |
| anterior border of eyelids |
The anterior edge of the free margin of each eyelid, along close to which the eyelashes are embedded. Synonym: limbus palpebrales anteriores. (05 Mar 2000) |
| anterior border of fibula |
A ridge on the shaft of the fibula to which is attached the anterior intermuscular septum of the leg. Synonym: margo anterior fibulae. (05 Mar 2000) |
| anterior border of lung |
The thin anteromedial or sternal edge of the lung which overlaps the pericardial sac anteriorly and forms the boundary between the mediastinal and costal surfaces. Synonym: margo anterior pulmonis. (05 Mar 2000) |
| anterior border of pancreas |
The sharp margin between the anterior and inferior surfaces of the pancreas. Synonym: margo anterior pancreatis. (05 Mar 2000) |
| anterior border of radius |
The ridge on the shaft of the radius extending from the radial tuberosity to the anterior part of the styloid process. Synonym: margo anterior radii. (05 Mar 2000) |
| anterior border of testis |
An imaginary convex line demarcating the lateral and medial surfaces. Synonym: margo anterior testis. (05 Mar 2000) |
| anterior border of tibia |
The sharp subcutaneous ridge of the tibia that extends from the tuberosity to the anterior part of the medial malleolus. Synonym: margo anterior tibiae, anticnemion, shin, tibial crest. (05 Mar 2000) |
| anterior border of ulna |
The ridge on the body of the ulna that extends from the tuberosity to the anterior part of the styloid process. Synonym: margo anterior ulnae. (05 Mar 2000) |
| border |
The part of a surface that forms its outer boundary. See: edge, margin, border. Synonym: margo. (05 Mar 2000) |
| border cells |
Cell's forming the inner boundary of the organ of Corti. (05 Mar 2000) |