SOMETHING
The outer covering of the muscle is called the epimysium. It surrounds the entire muscle and helps protect and support the muscle fibers within.
The muscle that separates the chest from the abdomen and forms the floor of the thorax is called the diaphragm.
Epimysium.
What is the dome-shaped sheet of muscle that forms the bottom of the chest cavity?The dome-shaped sheet of muscle that forms the bottom of the chest cavity is called Diaphragm.
pectoral
That is part of the pectoralis major.
The epimysium muscle surrounds the outermost layer of the entire muscle. The muscle is composed of cells known as muscle fibers.
diaphragm
The largest chest muscle in a cat's body is the pectoralis minor. In humans, the largest chest muscle if the pectoralis major.
The outer sheath of a bundle of muscle fibers is called the perimysium. It is a connective tissue that encases groups of muscle fibers, known as fascicles, providing support and structure. The perimysium contains blood vessels and nerves that supply the muscle fibers within the fascicle.
parietal pleura: outer fold of the pleura lying closest to the ribs
The diaphragm is the muscle separating the abdomen from the chest