Which organs are located in the thorax?
[2] The thoracic cavity contains organs and tissues that function in the respiratory (lungs, bronchi, trachea, pleura), cardiovascular (heart, pericardium, great vessels, lymphatics), nervous (vagus nerve, sympathetic chain, phrenic nerve, recurrent laryngeal nerve), immune (thymus) and digestive (esophagus) systems.
What organs does the thorax protect?
The thoracic cage can expand and contract to facilitate breathing in association with the diaphragm; it also protects the lungs, heart, and other organs of the thoracic cavity.
What is upper thorax in human body?
The thorax is a region of the mammalian body that refers to the upper trunk, between the base of the neck and the diaphragm. It houses the heart and the lungs and is encased by the ribs. The thorax also includes a lot of accessory muscles and nerve bundles such as your thoracic nerves.
Is the thorax the chest?
In vertebrates (fishes, amphibians, reptiles, birds, and mammals), the thorax is the chest, with the chest being that part of the body between the neck and the abdomen. The bony framework of the human thorax consists of the 12 thoracic vertebrae, 12 pairs of ribs, and the sternum (breastbone).
What is thorax and its composition?
The thorax is the area of the body situated between the neck and the abdomen. The thorax itself can be split up into various areas that contain important structures. The thorax is bound by bony structures including the 12 pairs of ribs and thoracic vertebrae, whilst also being supported by many ligaments and muscles.
How many bones are in the thorax?
Chest (thorax) There are usually 25 bones in the chest but sometimes there can be additional cervical ribs in men.
Why thoracic organs are separated?
The thoracic wall actually encloses a cavity, or space, that is filled with various anatomical structures. Since there are so many of them, the thoracic cavity is divided into several compartments to aid their localization.
What is CT scan of thorax?
Thoracic CT; CT scan – lungs; CT scan – chest. A chest CT (computed tomography) scan is an imaging method that uses x-rays to create cross-sectional pictures of the chest and upper abdomen. This is a CT scan of the upper chest showing a mass in the right lung (seen on the left side of the picture).
Does the thorax include the neck?
In mammals, the thorax is the region of the body formed by the sternum, the thoracic vertebrae, and the ribs. It extends from the neck to the diaphragm, and does not include the upper limbs. The heart and the lungs reside in the thoracic cavity, as well as many blood vessels.
What is the difference between thorax and chest?
The thorax is also called the chest and contains the main organs of respiration and circulation. The heart through its main artery, the aorta, pumps oxygenated blood to all parts of the body.
What is the thorax of the human body?
Alternative Title: chest. Thorax, the part of an animal’s body between its head and its midsection. In vertebrates (fishes, amphibians, reptiles, birds, and mammals), the thorax is the chest, with the chest being that part of the body between the neck and the abdomen.
What are the muscles of the thorax?
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); internal structures such as the diaphragm, esophagus, trachea and a part of the sternum known as the xiphoid process).
What is thoracic anatomy?
The thoracic spine sits between the cervical spine in the neck and the lumbar spine in the lower back. Collectively, these three sections make a tower of 24 bones that gives the body structure and houses the spinal cord.
What region is the thorax in?
In humans and other hominids, the thorax is the chest region of the body between the neck and the abdomen, along with its internal organs and other contents. It is mostly protected and supported by the rib cage, spine, and shoulder girdle.