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.
In the musical theatre, the voice may be pushed to the top of the chest voice, and even beyond the upper passaggio, leading to a frontal or nasal tone. This style of singing is known as 'belting', 'open voice' singing, voce aperta (Italian) or voix ouverte (French)