Homocysteine Glossary of Terms

The following are health and medical definitions of terms that appear in the Homocysteine article.

Abnormal: Outside the expected norm, or uncharacteristic of a particular patient.

Abruption: A sudden breaking off or away. Abruption of the placenta (abruptio placentae) i...

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Alzheimer's disease: A progressive degenerative disease of the brain that leads to dementi...

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Amino acids: The building blocks of polypeptides and proteins.

Artery: A vessel that carries blood high in oxygen content away from the heart to the far...

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Aspirin: Once the Bayer trademark for acetylsalicylic acid, now the common name for this a...

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Atherosclerosis: A process of progressive thickening and hardening of the walls of medium-...

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Blood clot: A mass of coagulated blood. A blood clot can block a major blood vessel, causi...

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Blood clots: Blood that has been converted from a liquid to a solid state. Also called a t...

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Blood pressure: The blood pressure is the pressure of the blood within the arteries. It is...

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Body type: A somewhat old-fashioned term used to classify the human shape into three prima...

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Brain: The portion of the central nervous system that is located within the skull. It func...

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Carotid: Pertaining to the carotid artery and the area near that key artery, which is loca...

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Carotid artery: Either of the two key arteries located in the front of the neck, through w...

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Chest: The area of the body located between the neck and the abdomen. The chest contains t...

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Cholesterol: The most common type of steroid in the body. Cholesterol has a reputation for...

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Cysteine: An amino acid, one of the 20 building blocks of protein. Cysteine can be synthes...

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Deep vein thrombosis: A blood clot within a deep vein, typically in the thigh or leg. The ...

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Dementia: Significant loss of intellectual abilities, such as memory capacity, that is sev...

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Diabetes: Refers to diabetes mellitus or, less often, to diabetes insipidus. Diabetes mell...

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Embolism: The obstruction of a blood vessel by a foreign substance or a blood clot that tr...

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Enzymes: Proteins that act as a catalysts in mediating and speeding a specific chemical re...

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Family history: The family structure and relationships within the family, including inform...

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Folic acid: One of the B vitamins that is a key factor in the synthesis (the making) of nu...

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Genetic: Having to do with genes and genetic
information.

Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Heart attack: The death of heart muscle due to the loss of blood supply. The loss of bloo...

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Heart disease: Any disorder that affects the heart. Sometimes the term "heart disease" is ...

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High blood pressure: A repeatedly elevated blood pressure exceeding 140 over 90 mmHg. Chro...

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Homocysteine: An amino acid that is produced by the human body, usually as a byproduct of ...

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Homocystinuria: A genetic disease that is due to an enzyme deficiency that permits a build...

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Iron: An essential mineral. Iron is necessary for the transport of oxygen (via hemoglobin ...

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Lens: The transparent structure inside the eye that focuses light rays onto the retina.

Mental retardation: The condition of having an IQ measured as below 70 to 75 and significa...

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Metabolic: Relating to metabolism, the whole range of biochemical processes that occur wit...

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Metabolism: The whole range of biochemical processes that occur within a living organism. ...

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Methionine: An amino acid, one of the 20 building blocks of protein. A dietary essential a...

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Myopia: Nearsightedness, the ability to see close objects more clearly than distant objec...

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Nearsightedness: The ability to see near objects more clearly than distant objects. Also ...

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Neonatal: Pertaining to the newborn period, specifically the first 4 weeks after birth.

Placenta: A temporary organ that joins the mother and fetus, transferring oxygen and nutri...

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Platelet: An irregular, disc-shaped element in the blood that assists in blood clotting....

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Pre-eclampsia: A condition in pregnancy characterized by abrupt hypertension (a sharp rise...

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Pregnancy: The state of carrying a developing embryo or fetus within the female body. Thi...

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Protein: One of the three nutrients used as energy sources (calories) by the body. Protein...

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Proteins: Large molecules composed of one or more chains of amino acids in a specific orde...

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Pulmonary: Having to do with the lungs.

Pulmonary embolism: Sudden closure of a pulmonary artery or one of its branches, caused by...

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Pyridoxine: One of the vitamin B6 group (which also includes pyridoxal and pyridoxamine) t...

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Stroke: The sudden death of brain cells due to lack of oxygen, caused by blockage of blood...

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Thrombosis: The formation or presence of a blood clot in a blood vessel. The vessel may be...

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Uncertainty: "Medicine's ground state is uncertainty. And wisdom -- for both patients and ...

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Urine: Liquid waste produced by the kidneys. Urine is a clear, transparent fluid that norm...

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Vascular: Relating to blood vessels. For example, the vascular system in the body includes...

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Vein: A blood vessel that carries blood that is low in oxygen content from the body back t...

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Vessel: A tube in the body that carries fluids. Examples of vessels are blood vessels and ...

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Vitamin B12: A vitamin important for the normal formation of red blood cells and the healt...

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Vitamin B6: A group of closely related chemical compounds with related names -- pyridoxine...

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Vitamins: The word "vitamin" was coined in 1911 by the Warsaw-born biochemist Casimir Funk...

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Zinc: A mineral that is essential to the body and is a constituent of many enzymes that pe...

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