Nerve supply of thorax from "summary" of Bd Chaurasia's Human Anatomy, Volume 1 by B. D. Chaurasia
The thorax is innervated by branches of the spinal nerves. These nerves originate from the spinal cord and extend to various parts of the body. The thoracic spinal nerves are responsible for providing the nerve supply to the thorax. The intercostal nerves are the main nerves that supply the thorax. There are 11 pairs of intercostal nerves that run along the spaces between the ribs. These nerves provide sensory innervation to the skin and muscles of the thorax. The intercostal nerves also give off branches that supply the muscles of the chest wall. These branches help in the movement and function of the chest wall during breathing. The intercostal nerves play a crucial role in maintaining the integrity and function of the thorax. In addition to the intercostal nerves, the thorax is also supplied by the sympathetic trunk. The sympathetic trunk runs along the vertebral column and provides sympathetic innervation to the thorax. This innervation helps in regulating various involuntary functions of the thorax, such as blood flow and organ function.- The nerve supply of the thorax is essential for the proper functioning of this region of the body. The intercostal nerves and sympathetic trunk work together to ensure that the thorax is able to perform its vital functions effectively. Understanding the nerve supply of the thorax is crucial for medical professionals to diagnose and treat any issues that may arise in this region.
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