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THE KNOWLEDGE LIBRARY

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Basics

Mucosal Surfaces and Immune Tolerance

The innate and adaptive immune responses discussed thus far comprise the systemic immune system (affecting the whole body),…

July 14, 2021 · Rajil TL
Basics

Adaptive Immune Response

The adaptive, or acquired, immune response takes days or even weeks to become established—much longer than the innate…

July 14, 2021 · Rajil TL
Basics

Phagocytosis and Inflammation

The first cytokines to be produced are pro-inflammatory; that is, they encourage inflammation, the localized redness, swelling, heat, and…

July 14, 2021 · Rajil TL
Basics

The Immune System

Figure 23.1.  In this compound light micrograph purple-stained neutrophil (upper left) and eosinophil (lower right) are white blood…

July 14, 2021 · Rajil TL
Basics

Nitrogenous Wastes

Of the four major macromolecules in biological systems, both proteins and nucleic acids contain nitrogen. During the catabolism,…

July 14, 2021 · Rajil TL
Basics

Excretion Systems

Microorganisms and invertebrate animals use more primitive and simple mechanisms to get rid of their metabolic wastes than…

July 14, 2021 · Rajil TL
Basics

Osmotic Regulation and Excretion

Figure 22.1.  Just as humans recycle what we can and dump the remains into landfills, our bodies use…

July 14, 2021 · Rajil TL