Wall Mounted Units. These wall mount network cabinets and sub-d boxes utilize the extra wall space found in corporate data centers. Choose from our double swing sub-D boxes, wall mounted swing racks, sub-distribution wall boxes, local distribution frame cabinets, or wall mounted unit frames. Accepts all 19 rack mount equipment.
The diaphragm separates the thoracic cavity containing the heart and lungs, from the abdominal cavity and performs an important function in respiration: as the diaphragm contracts, the volume of the thoracic cavity increases and air is drawn into the lungs.tructure [edit]. The diaphragm is a dome-shaped structure of muscle and fibrous tissue that separates the thoracic cavity from the abdomen. The dome curves upwards. The superior surface of the dome forms the floor of the thoracic cavity, and the inferior surface the roof of the abdominal cavity.
What is Diaphragm Function and Definition. Diaphragm-the thin, flat MUSCLE that forms the floor of the thoracic cavity (chest) , establishing a physical barrier between the thoracic cavity and the abdominal cavity.Small openings in the diaphragm allow structures such as the AORTA, inferior VENA CAVA, and ESOPHAGUS to pass through.ontraction of the diaphragm tightens this dome, pulling it downward to expand the thoracic cavity. The diaphragm has two equal halves, each called a hemidiaphragm, and is the primary muscle of BREATHING.