Glossary
BioScience.com.pk try the best to avoid the use of medical terms that could make it more difficult to understand the information on this website. Still, there are a number of terms that can't be avoided and that are useful to know because they are so often used by the doctors, nurses, and other medical professionals with whom you might speak. The list below includes the terms used on BioScience.com.pk for which we have provided definitions.
Term | Definition |
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Androgens | Hormones that are responsible for the induction of sexual differentiation and produce secondary male physical characteristics such as a deep voice and facial hair. An example is the hormone testosterone. They are also present in females as precursors to female hormones (such as estrogen). |
Anencephaly | Congenital defect that occurs during fetal brain development when the neural tube fails to close properly at the head. The result is the lack of development of a large portion of the brain and skull. |
Aneuploidy | Having an abnormal number of chromosomes |
Aneurysm | Weakened portion of a blood vessel wall that widens or bulges and may eventually rupture; a ruptured aneurysm can bleed heavily and may be fatal. |
Angioedema | Weakened portion of a blood vessel wall that widens or bulges and may eventually rupture; a ruptured aneurysm can bleed heavily and may be fatal.An allergic reaction involving the skin and deeper (subcutaneous) layers that is characterized by patches of swelling |
Angioplasty | Medical procedure used to widen blood vessels that have been narrowed or blocked. During the procedure, a balloon-tipped catheter is inserted into the body (usually through a small incision in the groin). The catheter is guided to the site of the blockage using X-rays and injected dye. The balloon on the catheter is then gently inflated to flatten the blockage and open the blood vessel. |
Anovulation | An egg is not released by the ovaries during a menstrual cycle |
Anterior | At or toward the front |
Antibiotic resistance | Ability of a microorganism to grow despite the presence of an antibiotic |
Antibody | Antibodies also called immunoglobulins are large Y-shaped proteins which function to identify and help remove foreign antigens or targets such as viruses and bacteria. Every different antibody recognizes a specific foreign antigen.
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Antibody | Also Known As: Ig; Antibody; Immune serum globulin; Immune globulin; Gamma globulin
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Anticoagulant | 1. Drug that delays blood clotting (e.g., heparin, warfarin); used in patients with or at risk for blood clots |
Antigen | 1. Substance that causes the production of an antibody that binds to the antigen in order to damage, neutralize or kill it. |
Antigen Testing | Also known as: Quantity Testing
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Antihistamine | A class of drugs that is used to treat allergies, hypersensitivity reactions, and the symptoms of colds. These drugs work by reducing the effects of histamine, a naturally-occurring substance that is released in response to inflammation and allergies. |