• bone marrow
  • Such cultured human megakaryocytes, amplified from bone marrow-derived CD34+ stem cells, synthesize and store organellar proteins and produce functional platelets. (clinicaltrials.gov)
  • quantitative
  • Platelet size (determined from the blood film and/or the mean platelet volume) helps to separate the inherited quantitative platelet syndromes from the acquired thrombocytopenias and the inherited combined quantitative and qualitative thrombocytopenias (see Chap. 117). (wordpress.com)