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An X-ray of a human chest area, with some structures labeled. The contents of the thorax include the heart and lungs (and the thymus gland); the major and minor pectoral muscles, trapezius muscles, and neck muscle; and internal structures such as the diaphragm, the esophagus, the trachea, and a part of the sternum known as the xiphoid process.
the thoracic region encompassing the chest [1] the mammary region encompassing each breast; the sternal region encompassing the sternum; the abdominal region encompassing the stomach area; the umbilical region is located around the navel; the coxal region encompassing the lateral (side) of hips; the pubic region encompassing the area above the ...
The bony skeletal part of the thoracic wall is the rib cage, and the rest is made up of muscle, skin, and fasciae.. The chest wall has 10 layers, namely (from superficial to deep) skin (epidermis and dermis), superficial fascia, deep fascia and the invested extrinsic muscles (from the upper limbs), intrinsic muscles associated with the ribs (three layers of intercostal muscles), endothoracic ...
Poland syndrome is a rare congenital condition in which the whole muscle is missing, most commonly on one side of the body. This may accompany absence of the breast in females. The sternalis muscle may be a variant form of the pectoralis major or the rectus abdominis. [Submuscular and intramuscular surgical implants (similar to breast ...
If you feel pain under your left breast after a chest-activating workout, like a bench or dumbbell press, there's a good chance your muscles are sore. The area might be tender to the touch, and ...
Here are some of the more common causes of chest pain on the left side: Chest wall or nerve pain. A strained or pulled muscle in the chest area, blunt force trauma to the chest area, or even ...
Causes of pain under your left breast There can be a bunch of different potential reasons why you’re having pain in this area, but doctors say these are the biggest ones to keep in mind. Heart ...
The mediastinum (from Medieval Latin: mediastinus, lit. 'midway'; [2] pl.: mediastina) is the central compartment of the thoracic cavity.Surrounded by loose connective tissue, it is a region that contains vital organs and structures within the thorax, namely the heart and its vessels, the esophagus, the trachea, the vagus, phrenic and cardiac nerves, the thoracic duct, the thymus and the lymph ...