PLEXUS CAROTICUS INTERNUS Meaning and
Definition
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The term "plexus caroticus internus" refers to a network of nerve fibers and ganglia located near the internal carotid arteries in the neck. It is also known as the internal carotid plexus. The plexus caroticus internus is an important component of the autonomic nervous system, which regulates involuntary bodily functions.
This plexus is formed by the joining of sympathetic and parasympathetic fibers originating from different sources. Sympathetic fibers of the internal carotid plexus arise from the superior cervical ganglion and help regulate the fight-or-flight response by increasing heart rate, blood pressure, and dilating the blood vessels. Parasympathetic fibers of the plexus originate from the glossopharyngeal nerve (a cranial nerve) and innervate structures like the salivary glands, sinuses, and respiratory tract.
The plexus caroticus internus is responsible for transmitting sensory information and controls the smooth muscles in the walls of blood vessels. It assists in regulating blood flow and maintaining vascular tone. Additionally, the internal carotid plexus plays a vital role in providing sensory innervation to various structures in the head, including the carotid sinus, which plays a role in blood pressure regulation.
Understanding the plexus caroticus internus is crucial for medical professionals as it helps them comprehend the autonomic nervous system's role in regulating physiological processes and diagnosing and treating certain conditions related to blood flow, vascular tone, and sensory innervation in the head and neck region.
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Internal carotid p., (1) a sympathetic p. surrounding the internal carotid artery in the carotid canal and cavernous sinus, and sending branches to the tympanic plexus, sphenopalatine ganglion, abducens and oculomotor nerves, the cerebral vessels, and the ciliary ganglion; (2) the internal carotid venous plexus, a venous network around the internal carotid artery in the carotid canal of the temporal bone, connecting with the cavernous sinus and internal jugular vein.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PLEXUS CAROTICUS INTERNUS
- plex us caroticus internus
- plexu s caroticus internus
- plexus c aroticus internus
- plexus ca roticus internus
- plexus car oticus internus
- plexus caro ticus internus
- plexus carot icus internus
- plexus caroti cus internus
- plexus carotic us internus
- plexus caroticu s internus
- plexus caroticus i nternus
- plexus caroticus in ternus
- plexus caroticus int ernus
- plexus caroticus inte rnus
- plexus caroticus inter nus
- plexus caroticus intern us
- plexus caroticus internu s
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