Complement pathway: Three cascades that are easy to follow
The three pathways of the complement system are the classical pathway, alternative pathway and lectin pathway all leading to the activation of MAC.
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Category: Immunology
Relevant immunology information to a medical laboratory scientist and technologist
Lymphoid System: The primary and secondary organs
The primary lymphoid organs are thymus, Bursa Fabricius, and bone marrow while the secondary lymphoid organs are those that are encapsulated & and those that are non-capsulated
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Humoral Immunity: What you should know!
Humoral immunity is derived from the Latin word ‘humor’ meaning
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The Complement System: A Brief Overview
The complement system points to the heat-labile components of blood that contribute to the lysis of foreign pathogens that invade the blood
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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+).
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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.