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Neutrophil Disorders

Leukocytosis, Granulocytosis, Neutrophilia All three terms indicate increased circulating neutrophils (but not an increase in eosinophils or basophils). This is a very commonly encountered ...

Lymphocyte Disorders

Lymphocytosis Increased numbers of lymphocytes in the blood may occur in infectious mononucleosis (mono), a self-limited viral infection common in young people, and acute infectious ...

Cold Agglutination

This is a disorder in which RBCs – in their own serum or in other serum – clump together (agglutinate) in response to slight cooling (below 86° F it’s <30c). The clumping ...

Polycythemia

Polycythemia This is the opposite of anemia; the term literally means “many cells in the blood”. The blood becomes highly viscous (thick) and flows sluggishly. The condition ...

Complete Blood Count (CBC)

A complete blood count (CBC): is the most widely requested and single most important lab test on blood. Many CBCs are done as routine screens – tests that provide general information ...

Automated Cell Counting based on Optical technology (Optical principle)

Optical principle: Automated systems are now based on flow-through (also called flow cytometry) opticaltechnologies that identify cells on the basis of light scatter properties broadly ...

Automated Cell Counting based on Impedance technology (Coulter principle)

Impedance technology. This technology was originally known as the Coulter principle. There are several variations and adaptations to the impedance principle in use today from a variety ...

Types of Anemia

The following are some of the most common anemias. They are arbitrarily grouped according to RBC color and size; other sources may group them in different ways. 1. Anemia Due to Bleeding: ...

Hemoglobin function

Hemoglobin, the oxygen-carrying component of RBCs, is composed of two pairs of protein chains called globin and four smaller units called heme, which contain iron. Iron binds and releases ...

Iron in your body

Iron is important in cellular metabolism and oxidation, the body needs only trace amounts of two types of iron: • Functional iron, a component of hemoglobin and myoglobin (a pigment ...

Scedosporium species colony and microscopic description

“Dark, elliptical conidia each supported by a conidiophore (‘lollipops‘)” is characteristic of Scedosporium apiospermum. The grayish-brown appearance of the ...

Fusarium species colony and microscopic description

“Multi-celled, sickle-form macroconidia” is the description for Fusarium species, which produces colonies with a distinctive rose red or purple red pigmentation.
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