| abasia | inability to walk |
| abatement | a reduction or elimination of public health nuisances such as smoke, loud noise etc |
| abaxial | lying outside the axis of any body or part |
| abdomen | the part of the body between the chest and hip region (the front or anterior portion) |
| abdominogenital | relating to abdomen and genital organs |
| abdominopelvic | relating to the abdomen and pelvis |
| abdominoplasty | an operation performed on the abdominal wall for cosmetic purposes |
| abduction | movement of a body part away from the median plane of the body (an imaginary line drawn form head to toe dividing the body plane into half) |
| aberrant | differing from the normal |
| aberration | deviation from the normal pattern |
| abeta-lipoproteinaemia | a disorder characterised by an absence of low-density beta-lipoprotein, presence of acanthocytes in blood, degeneration of retinal pigments, malabsorption, and neuromuscular abnormalities |
| abeyance | a state of temporary abolition of function |
| ability | the physical, mental, or legal competence to function |
| abiotic | incompatibility with life, without life |
| abiotrophy | an age- dependent manifestation of a genetically determined trait |
| ablastin | an antibody that seems to inhibit reproduction of trypanosome; found in rats |
| ablate | to remove, or to destroy the function of |
| ablution | an act of washing or bathing |
| abnormal | not normal |
| abort | to remove the embryo or fetus from the mother's womb before it is viable |
HIV/AIDS
