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单词 baroreceptor
例句 baroreceptor
For example, there is a specific type of mechanoreceptor, called a baroreceptor, in the walls of the aorta and carotid sinuses that senses the stretch of those organs when blood volume or pressure increases. Anatomy and Physiology 2013-06-19T00:00:00Z
When blood pressure increases, baroreceptors send more frequent action potentials to the central nervous system, leading to widespread vasodilation. Anatomy and Physiology 2013-06-19T00:00:00Z
First, baroreceptors, blood-pressure receptors in the arch of the aorta and the carotid arteries in the neck, detect a decrease in blood pressure that results from decreased blood volume. Anatomy and Physiology 2013-06-19T00:00:00Z
However, as the atrial baroreceptors increase their rate of firing and as they stretch due to the increased blood pressure, the cardiac center responds by increasing sympathetic stimulation and inhibiting parasympathetic stimulation to increase HR. Anatomy and Physiology 2013-06-19T00:00:00Z
The baroreceptors in the venae cavae and right atrium monitor blood pressure as the blood returns to the heart from the systemic circulation. Anatomy and Physiology 2013-06-19T00:00:00Z
The baroreceptor apparatus is part of the ending of a unipolar neuron that has a cell body in a sensory ganglion. Anatomy and Physiology 2013-06-19T00:00:00Z
Chemoreceptors monitoring the blood are located in close proximity to the baroreceptors in the aortic and carotid sinuses. Anatomy and Physiology 2013-06-19T00:00:00Z
These sinuses contain the aortic baroreceptors and chemoreceptors critical to maintain cardiac function. Anatomy and Physiology 2013-06-19T00:00:00Z
Similarly, 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. Anatomy and Physiology 2013-06-19T00:00:00Z
The cardiac centers monitor baroreceptor firing to maintain cardiac homeostasis, a mechanism called the baroreceptor reflex. Anatomy and Physiology 2013-06-19T00:00:00Z
The baroreceptors from the carotid arteries have axons in the glossopharyngeal nerve, and those from the aorta have axons in the vagus nerve. Anatomy and Physiology 2013-06-19T00:00:00Z
As pressure and stretch decrease, the rate of baroreceptor firing decreases, and the cardiac centers increase sympathetic stimulation and decrease parasympathetic stimulation. Anatomy and Physiology 2013-06-19T00:00:00Z
Increased venous return stretches the walls of the atria where specialized baroreceptors are located. Anatomy and Physiology 2013-06-19T00:00:00Z
There are also low-pressure baroreceptors located in the walls of the venae cavae and right atrium. Anatomy and Physiology 2013-06-19T00:00:00Z
When blood pressure increases, the baroreceptors are stretched more tightly and initiate action potentials at a higher rate. Anatomy and Physiology 2013-06-19T00:00:00Z
Rates of firing from the baroreceptors represent blood pressure, level of physical activity, and the relative distribution of blood. Anatomy and Physiology 2013-06-19T00:00:00Z
When blood pressure drops too low, the rate of baroreceptor firing decreases. Anatomy and Physiology 2013-06-19T00:00:00Z
Blood pressure is a reflection of blood volume and is monitored by baroreceptors in the aortic arch and carotid sinuses. Anatomy and Physiology 2013-06-19T00:00:00Z
The internal carotid artery initially forms an expansion known as the carotid sinus, containing the carotid baroreceptors and chemoreceptors. Anatomy and Physiology 2013-06-19T00:00:00Z
Neural mechanisms include the cardiovascular centers in the medulla oblongata, baroreceptors in the aorta and carotid arteries and right atrium, and associated chemoreceptors that monitor blood levels of oxygen, carbon dioxide, and hydrogen ions. Anatomy and Physiology 2013-06-19T00:00:00Z
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更新时间:2025/1/9 17:10:05