# Why is a new organ often found in New research?

Why is a new organ often found in New research?

Did you know that you have a whole new organ?

What it is and how it really works.

And it’s a pretty big deal– 😉

It changes the way we see not only our bodies and how they work but also a whole host of important diseases.

Does that really make it a new organ, though?

An organ is a group of tissues that perform a specific function. There’s a thing in our body called the interstitium, also known as the interstitial space, which is a layer of tissue we’ve known about for a long time. It sits beneath our skin, surrounding all of our organs and arteries and veins and muscles, blanketing them on the inside just like our skin covers our body on the outside.

But a few months ago, researchers were looking at a patient’s bile duct for signs of cancer when they saw something in the interstitium that didn’t match up with any known human anatomy.

See, the way we typically study human tissues in a lab is to take an extremely thin slice and look at it on a slide under a microscope, maybe dying it different colors to enable us to see certain structures.

But doing this removes all the fluid from that tissue sample.

And this means we’ve been missing something big.

Why is a new organ often found in New research?

Up until now, we’ve thought that the interstitium was just plain ol’ connective tissue.

We have connective tissue all over our bodies, connecting bones, connecting our muscles to our bones, and generally just holding us together.

It’s important, but pretty ubiquitous and typically not very specialized.

But these researchers saw something new because they were looking at tissue samples in a new way.

Using a technique called confocal laser endomicroscopy, they could see the TRUE nature of the interstitium.

This visualization method uses a low-powered laser to scan an area of the body and create a digital 3D reconstruction.

Using this technique, researchers could now observe a whole network of fluid-filled sacs

–structures that got drained and therefore essentially disappeared when we’d looked at interstitium samples with the more traditional slice and ‘scope method.

Why is a new organ often found in New research?

The interstitium is actually a complex network of interconnected fluid-filled compartments, supported by connective tissue proteins like collagen and elastin.

It may act as a shock absorber, twisting and bending with our bodies as we move, keeping our organs in place and keeping them from tearing or otherwise flopping or floating about in our bodies.

Perhaps even more importantly, the fluid in the interstitium is connected to our lymphatic system, draining to our lymph nodes, and it may actually be a source of lymph.

This is HUGE because lymphatic fluid is an essential part of our immune system, carrying cells that fight infection…

but it also plays a major role in the spread of cancer.

When cancer metastasizes, it spreads from its tissue of origin to other parts of the body through the blood or the lymph.

So understanding the interstitium as a new key player in the lymphatic system could give us a better understanding of cancer, and why and how it spreads.


The million-dollar question.

Is the interstitium truly an organ?

No. Not yet, at least.

For it to be classified as such it’ll take lots of follow-up research and verification.

I mean the mesentery, which we talked about last year, still isn’t an official organ, so it takes some serious doing to get on that list.

Why is a new organ often found in New research?

Really, calling something an organ is mostly a semantic distinction.

It could help direct research toward this structure, but the significance of this work is pretty independent of whether call the interstitium a new organ or not.

This study not only revealed brand new information about the way our bodies work but also made us call into question the way we’ve been looking at them.

And last but not least, this discovery has sparked conversation once again about what organs are and how we classify them, and what counts as one…  a discussion that’s constantly evolving in the scientific field.

I love that science is always changing and learning from itself.

What else do you think we haven’t known about our bodies this whole time?

Let us know in the comments, and check out other articles from the Health Blog.

Thanks for Reading! 🙂






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AUTHORNishant Chandravanshi

Nishant Chandravanshi is a YouTuber, Indian News Personality, Political Commentator & Activist. Nishant Chandravanshi is the founder of Chandravanshi & The Magadha Times.


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