Monocytes are the largest type of leukocytes, a group of immune system cells that have the function of defending the body against invaders, such as viruses and bacteria. Monocytes are produced in the bone marrow and circulate in the blood for a few hours, as they go to other tissues, where they undergo a differentiation […]
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Neutrophils are a type of leukocyte and, therefore, are responsible for the body’s defense, their quantity increasing in the blood when there is an infection or inflammation occurring. The neutrophil found in the greatest circulating quantity is the segmented neutrophil, also known as mature neutrophil, which is responsible for involving infected or injured cells and […]
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Leukocytes, also known as white blood cells, are the cells responsible for defending the body against infections, diseases, allergies and colds, being part of each person’s immunity. These cells are transported in the blood to be used whenever a virus, bacteria, or any other foreign organism enters the human body, eliminating them and preventing them […]
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Lactate is a product of glucose metabolism, that is, it is the result of the process of transforming glucose into energy for cells when there is not enough oxygen, a process called anaerobic glycolysis. However, even in aerobic conditions, where there is oxygen, lactate is produced, but in smaller quantities. Lactate measurement is most often […]
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Luteinizing hormone, also called LH, is a hormone produced by the pituitary gland and, in women, is responsible for the maturation of follicles, ovulation and production of progesterone, playing a fundamental role in a woman’s reproductive capacity. In men, LH is also directly related to fertility, acting directly on the testicles and influencing sperm production. […]
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Lymphocytes are a type of defense cell in the body, also known as white blood cells, which are produced in greater quantities when there is an infection, and are therefore a good indicator of the patient’s health status. There are two types of lymphocytes, B cells and T cells, which perform different functions in the […]
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Immunoglobulin A, known mainly as IgA, is a protein found in large quantities in mucous membranes, mainly in the respiratory and gastrointestinal mucosa, and can also be found in breast milk, and can be passed on to the baby during breastfeeding and help in the development of immune system. This immunoglobulin’s main function is to […]
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Immunoglobulin E, or IgE, is a protein present in low concentrations in the blood and is normally found on the surface of some blood cells, mainly basophils and mast cells, for example. Because it is present on the surface of basophils and mast cells, which are cells that normally appear in higher concentrations in the […]
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Homocysteine is an amino acid that is related to the emergence of cardiovascular diseases such as stroke, coronary disease, thrombosis or heart attack, for example, as its high levels can cause changes in blood vessels. Normally, the cardiologist or general practitioner can order a homocysteine test to observe the amount of this amino acid in […]
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Hematocrit is a test that measures the percentage of red blood cells in the blood, also called red blood cells, being considered normal between 40 and 50% in men and 35 to 45% in women. Normally, the hematocrit is altered in cases of dehydration, bleeding, anemia and lung diseases, such as COPD, and it is […]
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