Plaque consists of a mix of cholesterol, white blood cells and smoothmusclecells, and as it accumulates, a network of capillaries sprouts from the artery walls to nourish the cells.
The researchers tested different bitter compounds on human and mouse airways, individual airway smoothmusclecells, and on mice with asthma.
研究人员将苦味化合物放在不同的试验组进行测试：人类及老鼠的气管、个人气管平滑肌细胞、哮喘的小老鼠。
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The result is a tube of the length and diameter of the original scaffold, that is composed of collagen and smooth-musclecells—a structure similar to a natural blood vessel.