Biochemical Test: 13 Principles That Are Easy To Grasp
Some of the most common biochemical tests in a medical bacteriology laboratory include DNAse Test, Bacitracin Test, Optochin Test, Catalase Test.
Continue reading
T Lymphocytes: Role in Cell-Mediated Immune Response
T- Lymphocytes is a major class of lymphocytes whose precursors arise from the bone marrow then migrate and mature in the thymus of which they derive their name (Thymus derived lymphocytes). They are divided into functionally distinct populations which are T- helper cells (CD4+), cytotoxic cells (CD8+) and the T-regulatory cells (CD4+).
Continue reading
The 3 Major Staining Techniques In A Bacteriology Laboratory
The 3 major staining techniques in a bacteriology laboratory include Ziehl-Neelsen for Mycobateria, Gram and Indian Ink for Cryptococci.
Continue reading
Cytokines: The 6 Mediators of Innate Immunity
The cytokines that play a major role in the mediation of natural immunity include:
- Tumor necrosis factor (TNF alpha),
- Interleukin 1,
- Interleukin 10,
- Interleukin 12,
- Type 1 interferon (alpha and beta), and
- Chemokines.
Antibodies: The 5 Types and Their Properties
Antibodies are groups of proteins composed of between 82 to 96% polypeptide and 4 to 18% carbohydrate. They are present in the serum and tissue fluids of vertebrates. Some are curried on the cell surface where they act as receptors while others are free in the blood or lymph, referred to as the antibodies.
Continue reading
Acquired Immunity: What Are The 3 Key Characteristics?
The major characteristics of acquired immunity include memory, specificity and recognition which makes it invaluable in protecting against recurrent infections.
Continue reading