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The aortic bodies are collections of chemoreceptors present on the aortic arch. [1] Most are located above the aortic arch, [2] while some are located on the posterior side of the aortic arch between it and the pulmonary artery below. [3] They consist of glomus cells and sustentacular cells. [1] Some sources equate the "aortic bodies" and ...
Carotid bodies are considered the primary peripheral chemoreceptor and have been shown to contribute more to a hypoxic response. However, in the chronic absence of the carotid body, the aortic body is able to perform a similar respiratory regulatory role, suggesting that it possesses efficacious mechanisms of signal transduction as well. [5]
The carotid body is a small cluster of peripheral chemoreceptor cells and supporting sustentacular cells situated at the bifurcation of each common carotid artery in its tunica externa. [ 1 ] [ 2 ] The carotid body detects changes in the composition of arterial blood flowing through it, mainly the partial pressure of arterial oxygen , but also ...
peripheral chemoreceptors: consists of aortic and carotid bodies. Aortic body detects changes in blood oxygen and carbon dioxide, but not pH, while carotid body detects all three. They do not desensitize. Their effect on breathing rate is less than that of the central chemoreceptors. [citation needed]
The carotid body is not labelled but is located within the wall of the internal carotid artery near the bifurcation of the common carotid artery. Glomus type I cells are the chemoreceptor cells found in the carotid body. Glomus cells are the cell type mainly located in the carotid bodies and aortic bodies. Glomus type I cells are peripheral ...
The peripheral chemoreceptors that detect changes in the levels of oxygen and carbon dioxide are located in the arterial aortic bodies and the carotid bodies. [2] Central chemoreceptors are primarily sensitive to changes in the pH of the blood , (resulting from changes in the levels of carbon dioxide) and they are located on the medulla ...
Baroreceptors are stretch receptors located in the aortic sinus, carotid bodies, the venae cavae, and other locations, including pulmonary vessels and the right side of the heart itself. Baroreceptors fire at a rate determined by how much they are stretched, [ 52 ] which is influenced by blood pressure, level of physical activity, and the ...
change of blood pH, detected by peripheral chemoreceptors in the aortic bodies and in the carotid bodies. [4] change of blood pressure, detected by arterial baroreceptors in the aortic arch and the carotid sinuses. [2] various other inputs from the hypothalamus, thalamus, and cerebral cortex. [4]
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