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  • defective
  • Type of anemia characterized by defective red blood cell production, the presence of mega-loblasts in the bone marrow, and deterioration of nerve tissue in the spinal cord. (dmoztools.net)
  • cause
  • Pernicious anemia also can cause other problems, such as nerve damage, neurological problems (such as memory loss), and digestive tract problems. (nih.gov)
  • weak
  • Individuals who suffer with pernicious anaemia typically experience tiredness and feel weak, because there is insufficient oxygen travelling around the body. (medic8.com)
  • result
  • The result is inadequate B12 absorption from food in the diet which leads to inadequate red blood cell production ( anemia ). (medicinenet.com)