Definition of biconcave in English:



  • Concave on both sides.

    • ‘Ribs are straight or slightly biconcave and fade on the ventral surface where they merge into the lateral keel.’
    • ‘This was not an artifact, as those erythrocytes fixed within the blood vessels retained a normal biconcave shape.’
    • ‘The seventh cervical vertebra is biconcave and is well preserved.’
    • ‘Under high power unstained red blood cells appear as pale, homogeneous, biconcave discs with no nucleus.’
    • ‘Genetic defects of the red cell membrane may cause the red cells to assume a spherical rather than a biconcave shape, or alter their configuration to an elliptical form.’