The stomach wall has 5 layers: 1  The innermost layer is the mucosa. 2  Next is a supporting layer called the submucosa. 3  Outside of this is the muscularis propria, a thick layer of muscle that moves and mixes the stomach contents. 4  The outer 2 layers, the subserosa and the outermost serosa, wrap the stomach.
Definitions of chest voice. 1. (music) the timbre that is characteristic of a certain range and manner of production of the human voice or of different pipe organ stops or of different musical instruments.
Regions of the Thorax. Thorax. The thorax is the superior part of the trunk between the neck and the abdomen. The term chest is commonly used as a synonym for thorax, but our concept of the chest (upper part of the torso) is much more extensive than the thoracic wall and cavity contained within it.