Pulmonary plexus
Pulmonary Plexus
The Pulmonary Plexus (Pulmonary Plexus, pronounced: puhl-MOHN-uh-ree PLEK-suhs) is a complex network of nerves located in the chest cavity, specifically around the lungs and heart.
Etymology
The term "Pulmonary Plexus" is derived from the Latin word "pulmo", meaning lung, and the Greek word "plexus", meaning braid.
Definition
The Pulmonary Plexus is a part of the Autonomic Nervous System that provides nerve supply to the lungs and heart. It is formed by the Vagus Nerve and the Sympathetic Trunk. The plexus is divided into two parts: the anterior and posterior pulmonary plexus.
Function
The Pulmonary Plexus plays a crucial role in the regulation of respiratory and cardiac functions. It carries both sensory and motor fibers. The sensory fibers provide sensation to the lungs and heart, while the motor fibers control the smooth muscles of these organs.
Related Terms
- Vagus Nerve: The tenth cranial nerve that supplies nerve fibers to the pharynx, esophagus, larynx, lungs, heart, stomach, and intestines.
- Sympathetic Trunk: A part of the sympathetic nervous system that runs vertically along both sides of the vertebral column.
- Autonomic Nervous System: The part of the nervous system that controls involuntary actions such as the heartbeat, digestion, and breathing.
See Also
External links
- Medical encyclopedia article on Pulmonary plexus
- Wikipedia's article - Pulmonary plexus
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