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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 ...
Patent ductus arteriosus (PDA) is a medical condition in which the ductus arteriosus fails to close after birth: this allows a portion of oxygenated blood from the left heart to flow back to the lungs from the aorta, which has a higher blood pressure, to the pulmonary artery, which has a lower blood pressure.
70 percent stenosis of the right internal carotid artery as seen by ultrasound. Arrow marks the lumen of the artery. CT image of a 70 percent stenosis of the right internal carotid artery. Carotid artery stenosis is usually diagnosed by color flow duplex ultrasound scan of the carotid arteries in the neck.
The common carotid artery is often used in measuring the pulse, [3] especially in patients who are in shock and who lack a detectable pulse in the more peripheral arteries of the body. The pulse is taken by palpating the artery just deep to the anterior border of the sternocleidomastoid muscle at the level of the superior border of the thyroid ...
In human anatomy, the internal and external carotid arise from the common carotid artery, where it bifurcates at cervical vertebrae C3 or C4. The internal carotid artery supplies the brain, including the eyes, [2] while the external carotid nourishes other portions of the head, such as the face, scalp, skull, and meninges.
The parietal branch of the superficial temporal artery (posterior temporal) is a small artery in the head.It is larger than the frontal branch and curves upward and backward on the side of the head, lying superficial to the temporal fascia; it joins with its fellow of the opposite side, and with the posterior auricular and occipital arteries.
Corrigan pulse: Dominic John Corrigan: cardiology: aortic insufficiency: carotid pulsations with abrupt ascending and descending phases Councilman body: William Thomas Councilman: infectious disease: yellow fever, viral haemorrhagic fevers: eosinophilic globules in liver Courvoisier's law: Ludwig Georg Courvoisier: gastroenterology: obstructive ...
Carotid ultrasound is a low-cost, noninvasive, and accurate diagnostic imaging modality used to evaluate diseases of the carotid arteries. [2] It is most often used to diagnose carotid artery stenosis, a form of atherosclerosis , and has the capability to assess plaque morphology and characteristics. [ 1 ]