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.
For other uses, see Chest (disambiguation) . The thorax or chest (Greek: Î¸ÏÏÎ±Î¾ (from the Greek Î¸ÏÏÎ±Î¾ thorax breastplate, cuirass, corslet), Latin: thorax is a part of the anatomy of humans and various other animals located between the neck and the abdomen.he thorax includes the thoracic cavity and the thoracic wall. It contains organs including the heart, lungs and thymus gland, as well as muscles and various other internal structures. Many diseases may affect the chest, and one of the most common symptoms is chest pain.