The HealthMatters Journal — evidence-based health writing
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Biomarkers

Biomarkers · 1 min read

What are Reticulocytes?

Reticulocytes are recently produced, relatively immature red blood cells (RBCs). Red blood cells are produced in the bone marrow, where blood-forming stem cells differentiate…

Complement C4A test
Biomarkers · 2 min read

What is C4A (Complement Component 4 A)?

What is the complement system? The complement system refers to a series of >20 proteins, circulating in the blood and tissue fluids. Most of…

low globulin
Biomarkers · 2 min read

What does low Globulin mean?

Introduction: Globulins are a group of proteins within the blood. They are produced by the liver and the immune system. Albumin makes up more…

hemoglobin healthmatters.io
Biomarkers · 2 min read

What is Hemoglobin?

Hemoglobin is the main component of red blood cells. Hemoglobin (abbreviation: Hb) is a red substance made of iron and protein in the blood that carries…

Biomarkers · 3 min read

Let’s talk about Hematocrit again!

What is Hematocrit? Hematocrit is the volume percentage of red blood cells (RBCs) in the blood. What is the purpose of red blood cells? Your body…

Inside blood vessel with red blood cells and white blood cells. 3D illustration
Biomarkers · 1 min read

What is a Gran Blood Test?

A Gran Blood test checks for a high level of granulocytes in the blood (=Granulocytosis). Granulocytosis occurs when there are too many granulocytes (a…

Leukocyte Esterase meaning white blood cells urine
Biomarkers · 2 min read

What is Leukocyte Esterase Urine?

Leukocyte Esterase is a test used to detect a substance that suggests there are white blood cells in the urine. If the test is positive, the urine should…

hematocrit high low meaning
Biomarkers · 1 min read

What does high hematocrit mean?

What does it mean if your Hematocrit (HCT) / Packed Cell Volume (PCV) result is too high? Some causes of a high hematocrit include:…

Biomarkers · 1 min read

Normal versus optimal LDL Cholesterol levels

LDL (low density-lipoprotein) cholesterol is also called “bad” cholesterol. LDL can build up on the walls of your arteries and increase your chances of getting…

hypersegmented neutrophils high low meaning
Biomarkers · 1 min read

What are Hypersegmented Neutrophils?

A Hypersegmented Neutrophil is an aged and degenerated neutrophil in which there may be 6-10 lobes (“segments”) in the nucleus. Neutrophils are one of five types of cell belonging to the white blood cell family. A neutrophil is…