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- Intracardiac nervous system is a part of the heart called “little brain”.
- The big brain is still the heart’s control center but the neurons in the heart may also play a role. Researchers think that these nerve cells may have a crucial part in heart health such as controlling the rhythms and protecting people from heart disease.
- A team of scientists led by biologist James Schwaber of Thomas Jefferson University in Philadelphia used a technique called knife-edge scanning microscope to create a detailed single-cell resolution image of both male and female rat heart. The images are then built into a 3-D model of the heart.
- The team also removed each nerve cells and determined the amount of activity from the gene. The amount of gene activity measured sorted the heart’s nerve cells into different groups.
- Scientists determined that most of these nerve cells are found at the top of the heart where the blood vessels connect. A few of these nerve cells are found at the back and especially on the left side.
- The new data gives scientists a kick off start in figuring whether these nerve cells have distinct functions.
Sources:
https://www.sciencenews.org/article/new-3-d-map-illuminates-little-brain-nerve-cells-within-heart
https://www.sciencedirect.com/science/article/pii/S2589004220303254
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The Chromoscience uses AI-assisted tools to support the preparation and editing of science articles. Content is reviewed by the editor for clarity and consistency with the cited research before publication. Readers are encouraged to consult the original scientific publications for complete findings, methods, and limitations.
