Aortic bodies
Aortic Bodies
Aortic bodies (pronunciation: ay-OR-tik BOD-eez) are small clusters of chemoreceptors and supporting cells located near the Aortic arch. They play a crucial role in the regulation of systemic Blood pressure and the composition of arterial blood.
Etymology
The term "Aortic bodies" is derived from the Greek words "aorte" meaning "that which is hung up" and "body" referring to the physical structure of an organism or any of its parts.
Function
The primary function of the aortic bodies is to monitor the level of oxygen (O2) and carbon dioxide (CO2) in the blood. They also detect changes in the pH level of the blood. When these levels are abnormal, the aortic bodies send signals to the Medulla oblongata, which then initiates corrective measures to restore homeostasis.
Related Terms
- Chemoreceptors: Specialized cells that detect changes in chemical concentrations. In the context of aortic bodies, chemoreceptors respond to changes in blood oxygen, carbon dioxide, and pH levels.
- Aortic arch: The part of the aorta that bends between the ascending and descending aorta. The aortic bodies are located near this structure.
- Medulla oblongata: The lower part of the brainstem that controls autonomic functions such as breathing and blood pressure. It receives signals from the aortic bodies regarding blood composition.
See Also
External links
- Medical encyclopedia article on Aortic bodies
- Wikipedia's article - Aortic bodies
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