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Mucin is viscous, clear, and clinging. Underlying the mucous membrane in the mouth is a thin layer of smooth muscle tissue and the loose connection to the membrane gives it its great elasticity. [5] It covers the cheeks, inner surfaces of the lips, and floor of the mouth, and the mucin produced is highly protective against tooth decay. [6]
The acid and semi-digested fats in the duodenum trigger the enterogastric reflex – the duodenum sends inhibitory signals to the stomach by way of the enteric nervous system, and sends signals to the medulla that (1) inhibit the vagal nuclei, thus reducing vagal stimulation of the stomach, and (2) stimulate sympathetic neurons, which send ...
[1] [5] Indigestion is subcategorized as either "organic" or " functional dyspepsia ", but making the diagnosis can prove challenging for physicians. [ 6 ] Organic indigestion is the result of an underlying disease, such as gastritis , peptic ulcer disease (an ulcer of the stomach or duodenum ), or cancer . [ 6 ]
The major innovation of the iPod was its small size achieved by using a 1.8" hard drive compared to the 2.5" drives common to players at that time. The capacity of the first-generation iPod ranged from 5 GB to 10 GB. [275] The iPod sold for US$399 and more than 100,000 iPods were sold before the end of 2001.
The iPad (5th generation) [3] (also referred to as the iPad 9.7-inch [4]) is a tablet computer developed and marketed by Apple Inc. After its announcement on March 21, 2017, conflicting naming conventions spawned a number of different names, including "fifth-generation iPad" or "iPad (2017)".