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DictionarySeePlanoEncyclopediaSeeplanumplana
pla·na (plā'nă), Plural of planum. [L.] pla·na (plā'nă) Plural of planum. [L.]planum (plā′nŭm) plural.plana [L.] A flat or relatively smooth surface; a plane.nuchal planumThe outer surface of the occipital bone between the foramen magnum and superior nuchal line.occipital planumThe outer surface of the occipital bone lying above the superior nuchal line.orbital planumThe portion of the maxilla that forms the greater part of the floor of the orbit.popliteal planumA smooth triangular area on the posterior surface of distal end of femur. It is bordered by the medial and lateral supracondylar lines and forms the floor of the popliteal fossa. sternal planumThe anterior or ventral surface of the sternum.temporal planumThe depressed area on the side of the skull below the inferior temporal line; underlies the temporal fossa. |