1. Relating to or situated in the breast or chest: a pectoral muscle; the pectoral cavity. 2. Useful in relieving disorders of the chest or respiratory tract. 3. Worn on the chest or breast: a pectoral cross.keletal muscle, striated muscle-a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes. greater pectoral muscle, musculus pectoralis major, pectoralis major-a skeletal muscle that adducts and rotates the arm.
(1). Above: Diagram of the Stomach Wall. The epithelial cells that line the stomach form the mucosal epithelium layer. When the stomach is empty the mucosa lies in large folds called rugae and which look like wrinkles.he cells identified in the diagram above are: 1  Surface Mucous Cells (or  Mucous Surface Cells ) - which secrete mucus. 2  Neck Mucous Cells (or  Mucous Neck Cells ) - which secrete a mucus whose acidity is more neutral than that secreted by the cells at the surface of the stomach lining. 3  Chief Cells.
Stomach Cancer Answer A7303. Thickening of the the stomach wall can be seen on CT scans when an otherwise normal stomach is empty/collapsed, when there is inflammation or ulceration of the stomach, or when there is a tumor or mass growing in the stomach.