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Glossary Term
The nonstaining primary constriction of a chromosome which is the point of attachment of the spindle fiber; provides the mechanism of chromosome movement during cell division; the centromere divides the chromosome into two arms, and its position is constant for a specific chromosome: near one end (acrocentric), near the center (metacentric), or between (submetacentric).
Pruebas
A measurement of centromere B antibodies present in a sample.
Glossary Term
The process by which a person demonstrates specific knowledge, skills, or abilities in the view of a certifying body. Similarly, the process by which a product or process can achieve certification indicating its suitability for a specific purpose.
Pruebas
A measurement of the complement required to lyse 50 percent of red blood cells in a biological specimen.
Indicadores
This gene plays a role in cell survival and the negative regulation of cell growth.
Pruebas
A laboratory test designed for the quantification of an organic or inorganic chemical within a biological specimen.
Glossary Term
Chi-square test is a statistical test for testing the null hypothesis that the distribution of a discrete random variable coincides with a given distribution. It is one of the most popular goodness-of-fit tests.
Artículo
Research record from Braz J Med Biol Res, 2026-08-21. PMID 42659460.
Indicadores
A chlorine anion that forms the negatively charged part of certain salts, including sodium and hydrogen chloride salts, and is an essential electrolyte located in all body fluids responsible for maintaining acid/base balance, transmitting nerve impulses and regulating fluid in and out of cells.
Indicadores
An animal sterol found in the body tissues (and blood plasma) of vertebrates. It can be found in large concentrations within the liver, spinal cord, and brain. Cholesterol is an important component of the membranes of cells, providing stability. It is the major precursor for the synthesis of vitamin D, of the various steroid hormones, including cortisol, cortisone, and aldosterone in the adrenal glands, and of the sex hormones progesterone, estrogen, and testosterone. Cholesterol also has an important role for the brain synapses as well as in the immune system. In conditions featuring elevated low density lipoproteins (LDL), cholesterol often forms plaque deposits in the walls of arteries, a condition known as atherosclerosis, which is a major contributor to coronary heart disease and other forms of cardiovascular disease.
Pruebas
A cholesterol test is a blood test that measures the amount of cholesterol and triglycerides (a type of fat) in your blood. Cholesterol is a waxy, fat-like substance that's found in your blood and every cell of your body. Your body needs some cholesterol to make hormones , vitamin D , and substances that help you digest foods.
Indicadores
Chromogranin-A (457 aa, ~51 kDa) is encoded by the human CHGA gene. This protein plays a role in the modulation of both blood pressure and pancreatic release of insulin.
