There are multiple definitions:

1. Abelson murine leukemia virus(English)

   • an oncogene on chromosome # 9
   • BCR, FTK, BCR-ABL, Ph
   • Leukemia
   • https://doi.org…shem.2003.50034

2. ablation, ablation lead(English)

   • Cardiology

3. abetalipoprotein(English)

   • rare disease associated with a unique plasma lipoprotein profile in which LDL and VLDL are essentially absent
   • LDL, MTP, VLDL, FHBL
   • Proteins, Hematology, Vitamin, Clinical chemistry
   • https://www.omi…rg/entry/200100

4. anterior banded layer(English)

   • laid down during embryogenesis
   • DMD, FECD, ICL, PNBL
   • Ophthalmology
   • https://doi.org…-2983-7.00005-X

5. apical bone level(English)

   • slower but more prolonged physiologic bone remodeling in the bovine-graft-material group than in the autogenous-bone group
   • MBL
   • Dentistry, Surgery
   • https://doi.org…01.2010.02030.x

6. Ableson tyrosine [kinase](English)

   • plays essential roles in cell differentiation, division, adhesion, and stress response. However, fusion of the breakpoint cluster region (BCR) to ABL produces constitutive kinase activity that causes chronic myelogenous leukemia (CML)
   • BCR, CML
   • Leukemia
   • https://doi.org…roteome.8b00942