Mannitol salt agar (MSA) is a differential and selective media. It is selective because its high salt concentration (7.5 %) inhibits the growth of most bacteria. However, Staphylococcus ...

This is simple diagram of cell structure   1- Cell size: Blood cells can be discriminated on the basis of their cell size 2- Overall cell size: The most immature cells are large ...

Hyaline casts are formed in the absence of cells in the tubular lumen. They have a smooth hyaline cast texture and a refractive index very close to that of the surrounding fluid. Reduced ...

Smooth round dark blue-purple cytoplasmic inclusion May be centrally located or sometimes in the periphery Composed of fragments of DNA Iron stain negative May Resemble: Pappenheimer ...

In direct smears it is difficult to recognize oocysts as they are small (4-6 µm in diameter). Oocysts contain 1-6 dark granules. By focusing up and down, it is possible to see a ...

Eosin methylene blue agar (EMB) is a selective and differential medium used to isolate fecal coliforms. Eosin Y and methylene blue are pH indicator dyes which combine to form a dark ...