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Body Defenses

 Reviewed 11 December 2018 share-a-picture Or go to discussion?join-the-discussion dogphoto
body-defenses: body-defense-system

If you have been to that page you may remember that inflammation is the response of the defense system.

So what actually is the human and canine body's defense system?

Body Defense System

It won't help you to search for defense system (US) or defence system (UK) because Google and people value military higher than biology: dogs and us humans too. mrgreen

Yet of course everyone of us has their own evolutionary defense system that keeps us alive and healthy, and historically ensured our survival. And dogs have their defense system too.

The problem: Regardless what term you search for, all are defined way too narrow or in fact not defined at all. See for example:

So let's take what Google comes up with for body defenses:


To make it short: Everything that you can find, for any related term, is unsuitable to help understand body defenses. Besides, all definition attempts that I found are ambiguous, contradictory, and imprecise.

So here's a disjunct definition of defense system, meaning: void of ambiguity, imprecision, and contradictions, and also consistent with all the other medical definitions here.

Body Defenses Definition

The body's defense system is the aggregate of physical and chemical mechanisms that protect the organism from harm.

You see that this body defenses definition:

  • is not restricted by the popular notion of "barriers", because our organism protects us from harm not only against intruders
  • is not limited to immunological defense mechanisms, because the immune system plays only one part in the overall body defenses
  • and does not refer to "lines of defense", because such notions bear inherent ambiguity and contradictions the preciser you make them!

In fact:

ALL body systems play a role in the defense system:

body-defenses: body-defense-system

This wide yet precise body defense system definition helps to understand a lot of the other medical definitions, in particular:



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