'arterial ring' is a correct and usable phrase in written English.
You can use it to refer to a circular system of arteries in biology, hydrology, and geography. For example, "The arterial ring of the city acted as a natural boundary."
The endothelium was removed mechanically from the proximal piece of the large artery and from one small arterial ring by perfusing air through the lumen [ 15, 17].
After precontraction of arterial ring segments with ethanol, PDTC (10−8 10−6 M) and Vit.
Branches from this arterial ring are distributed to supply the brain.
(B) Representative arterial ring images from days 1, 4, and 7 in an FBS-supplemented DMEM in the absence (top) and presence (bottom) of Y-27632.
Then, we obtained an image of each arterial ring every 24 h to analyze the changes in outer and inner diameters (i.e., thickness) of the arterial wall (Figure?2B).
The dark spot in the lumen of the arterial ring is the image of a supporting pin, and the background in the each image is the part of the index number written at the bottom of the organ culture plate.
In parallel, this inhibitory effect of Cavtratin on gelatinolytic activity was also evaluated in arterial rings from porcine mammary artery that were cultured for 3 days with and without Cavtratin or scrambled peptide (10 µM).
High K+ induces biphasic contractions in rabbit arteries [ 15], rat basilar arterial rings [ 16] and mouse aorta [ 17], whereby the tonic rise in force is actually accompanied by a decline of intracellular Ca2+.
Briefly, the arterial rings were isolated from the main artery and first and second branches of the mesenteric artery, and they were quickly frozen in liquid nitrogen and kept in 10% trichloroacetic acid (TCA -acetone aTCA -acetonenight.
VOSO4 produced dose-dependent constriction of pulmonary arteries in isolated perfused lungs and pulmonary arterial rings and a right shift of the acetylcholine-dependent vasorelaxation curve.
Thus, the present study was designed to further investigate the direct effects of mepivacaine on these vessels in vitro using swine lingual and pulmonary arterial rings and compared with the coronary artery.
