azurophil granules - meaning and definition. What is azurophil granules
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What (who) is azurophil granules - definition

CELLULAR OBJECT READILY STAINABLE WITH A ROMANOWSKY STAIN.
Azurophilic granules; Azurophil granules; Azurophile; Azurophilic; Azurophil; Azurophil granule

Azurophilic granule         
An azurophilic granule is a cellular object readily stainable with a Romanowsky stain. In white blood cells and hyperchromatin, staining imparts a burgundy or merlot coloration.
Cellulin         
TYPE OF POLYSACCHARIDE
Cellulin granules; Cellulin granule
Cellulin or cellulin granules are a type of polysaccharide found exclusively within the oomyceteous fungi of the order Leptomitales.
Volutin granules         
COMPLEXED INORGANIC POLYPHOSPHATE
Volutin; Metachromatic granules
Volutin granules are an intracytoplasmic storage form of complexed inorganic polyphosphate, the production of which is used as one of the identifying criteria when attempting to isolate Corynebacterium diphtheriae on Löffler's medium. Polyphosphate granules display the metachromatic effect, appearing red when stained with methylene blue.

Wikipedia

Azurophilic granule

An azurophilic granule is a cellular object readily stainable with a Romanowsky stain. In white blood cells and hyperchromatin, staining imparts a burgundy or merlot coloration. Neutrophils in particular are known for containing azurophils loaded with a wide variety of anti-microbial defensins that fuse with phagocytic vacuoles. Azurophils may contain myeloperoxidase, phospholipase A2, acid hydrolases, elastase, defensins, neutral serine proteases, bactericidal/permeability-increasing protein, lysozyme, cathepsin G, proteinase 3, and proteoglycans.

Azurophil granules are also known as "primary granules".

Furthermore, the term "azurophils" may refer to a unique type of cells, identified only in reptiles. These cells are similar in size to so-called heterophils with abundant cytoplasm that is finely to coarsely granular and may sometimes contain vacuoles. Granules may impart a purplish hue to the cytoplasm, particularly to the outer region. Occasionally, azurophils are observed with vacuolated cytoplasm.