aplasia

2 definitions found

aplasia - Collaborative International Dictionary of English v.0.48 :

  Aplasia \A*pla"si*a\, n. [NL.; Gr. ? priv. + ? a molding.]
     (Med.)
     1. Incomplete or faulty development.
        [Webster 1913 Suppl.]
  
     2. (Med.) a defect, retardation, or cessation of the process
        of generation of blood cells.
        [PJC]

aplasia - WordNet (r) 2.1 (2005) :

  aplasia
      n 1: failure of some tissue or organ to develop