The Human Immune System Is One Of Nature’s Marvels… Here It Is In All Its Glory!

Reddit user Centuron (a fitting name for the subject at hand) has shared with the rest of us a truly astounding set of National Geographic photos from almost 30 years ago. But don’t be fooled by the images’ antique age — they will blow you away!

Here is the human defense system fighting off a number of assorted enemies!

1. A macrophage (x18000), a human defense cell, seeking to engulf droplets of oil.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

2. A major component of the immune system, a helper t-cell is under attack by Hiv/ AIDS (blue).

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

3. Latecomers in immune system evolution, B-cells, like this specimen covered with bacteria, produce armies of anti-bodies whose sole purpose is to attack a single kind of pathogen.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

4. Malaria protozoa have multiplied in two cells in a culture dish of red blood cells. One has burst open releasing the parasites to infect other cells

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

5. First line of defense against armies of dangerous microorganisms, skin tissue is able to mend itself rapidly after injury.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

6. First step in phagocytosis, or “cell eating” a macrophage extends several pseudopods from its single celled form to embrace a number of E-coli bacteria

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

7. Bacteria trapped within an extension of a macrophage membrane.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

8. Powerful chemicals inside the macrophage will breakdown and destroy the components of invading cells.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

9. Like a vision from science fiction, a macrophage reaches out to ensnare bacteria with a cellular extension called a pseudopod.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

10. One of mankind’s greatest inorganic threats, asbestos fibers are engulfed by a macrophage which will probably die from its indigestible meal.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

11. Mutiny in the body is a constant occurrence, many believe, as healthy cells somehow escape the mechanisms that regulate cell growth and turn cancerous. Fortunately, antigens on their surfaces sometimes alter slightly, changing from self to non-self. Thus the cells become targets for Killer T-cells, like these surrounding this large cancer cell.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

12. Frozen in action, killer T cells appear remarkably alive as they attack a cancer cell. Several of the normally round T-cells acquire the elongated shape of active fighters as they subject their target to chemical attack, breaking down the cell membrane.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

13. After a cancer cell loses its cytoplasm, only a fibrous skeleton is left, here surrounding a T-cell.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

14. Overzealous immune responses, allergic reactions plague humans who produce certain unnecessary antibodies.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

15. A renegade immune system has ravaged a (surgically removed) femur of a 50 year old women suffering from Rheumatoid Arthritis. Most common of all the autoimmune disorders.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

16. The common cold virus, constantly mutates to avoid detection. Just how totally viruses can overcome a healthy host is seen when an infected human cell ruptures, releasing a stream of new viruses (blue) into the system.

The Human Immune System Is One Of Nature's Marvels... Here It Is In All Its Glory!

Source: Imgur.

Via Reddit.

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