| 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) |
|---|
| posterior border of eyelids | The posterior edge of the free margin of each eyelid, which is also the border of the conjunctiva. (05 Mar 2000) |
|---|---|
| anterior surface of eyelids | anterior surface of eyelids |
| borders of eyelids | The anterior and posterior edges of the free margin of the upper and lower eyelids. Synonym: limbi palpebrales. (05 Mar 2000) |
| veins of eyelids | Veins draining the superior eyelid posteriorly as tributaries of the superior ophthalmic vein. Synonym: venae palpebrales, veins of eyelids. (05 Mar 2000) |
| paradoxical movement of eyelids | Spontaneous, involuntary elevation or lowering of the eyelids, associated with movement of extraocular muscles or muscles of mastication (external pterygoids). See: jaw winking. (05 Mar 2000) |
| margins of eyelids | The free edges of the eyelids. See: anterior border of eyelids, posterior border of eyelids. Synonym: margo palpebrae. (05 Mar 2000) |
| conjunctival layer of eyelids | The part of the conjunctiva lining the posterior surface of the eyelids and continuous with the bulbar conjunctiva at the conjunctival fornices. Synonym: tunica conjunctiva palpebrarum, conjunctival layer of eyelids. (05 Mar 2000) |
| posterior surface of eyelids | The internal surface of the eyelids, covered with conjunctiva. Synonym: facies posterior palpebrarum. (05 Mar 2000) |
| orbital margin of eyelids | The outer or peripheral attached borders of the upper and lower eyelids; the "root" of the eyelids, along which it is attached to the orbital rim. (05 Mar 2000) |
| free margin of eyelids | The unattached inferior edge of the upper lid and superior edge of the lower lid, where the anterior (cutaneous) surface of the eyelid meets the posterior (conjunctival) surface of the eyelid. The free margins of the eyelids bound the rima palpebrarum, and each free margin has an anterior and posterior border. See: borders of eyelids. (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 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) |