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Why Do Scientists Keep Finding New Organs?

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Channel: Seeker
Categories: Anatomy   |   Biology   |   Science  
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This long ignored connective tissue now serves a more important role and may act as a shock absorber, keeps our organs in place, and even plays a major role in the spread of cancer. But is it an organ?

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Scientists found a ‘new organ,’ but it might not be what you’re expecting
“Previously, researchers thought the interstitium was simply a layer of connective tissue. Connective tissue is absolutely not anything new. We’ve known about it—and how it functions—for a long time. Connective tissue typically has very few cells and instead is mostly constructed of various cartilage and other fibers that together form a strong structure that holds your organs in place or to connect one bone to another, or a muscle to a bone.”

Structure and Distribution of an Unrecognized Interstitium in Human Tissues
“Confocal laser endomicroscopy (pCLE) provides real-time histologic imaging of human tissues at a depth of 60–70 μm during endoscopy. pCLE of the extrahepatic bile duct after fluorescein injection demonstrated a reticular pattern within fluorescein-filled sinuses that had no known anatomical correlate. Freezing biopsy tissue before fixation preserved the anatomy of this structure, demonstrating that it is part of the submucosa and a previously unappreciated fluid-filled interstitial space, draining to lymph nodes and supported by a complex network of thick collagen bundles.”

Is the Interstitium Really a New Organ?
“New reports have suggested that this interstitium could represent a widespread organ in the body, whose connections with the lymphatic system might be involved in cancer metastasis. While researchers not involved in the study agree that the interstitium likely plays diverse roles in the human body, they are reticent to call it a new organ”


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