MUSCULUS CONSTRICTOR PHARYNGIA MEDIUS Meaning and
Definition
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Musculus constrictor pharyngia medius is a Latin term used in anatomy to describe one of the constrictor muscles of the pharynx. The pharynx is a muscular tube that connects the nasal cavity and mouth to the esophagus and larynx. It plays a crucial role in both the respiratory and digestive systems.
The musculus constrictor pharyngia medius refers to the middle constrictor muscle of the pharynx. It is located in the middle layer of the three constrictor muscles present in the pharynx. The other two muscles are the superior and inferior constrictor muscles.
The primary function of the musculus constrictor pharyngia medius is to facilitate swallowing by contracting and narrowing the diameter of the pharynx. It works in coordination with the other constrictor muscles to propel food and fluids from the oral cavity into the esophagus during the swallowing process. Additionally, these muscles help prevent the regurgitation of stomach contents by closing off the entrance to the pharynx.
The musculus constrictor pharyngia medius is innervated by the pharyngeal plexus, a network of nerves that control the motor functions of the pharynx. It receives its blood supply from branches of the external carotid artery.
Understanding the structure and function of the musculus constrictor pharyngia medius is crucial for medical professionals, particularly in the fields of anatomy, otolaryngology, and speech therapy.
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Origin, stylohyoid ligament and both cornua of the hyoid bone; insertion, middle of the posterior wall of the pharynx; nerve supply, pharyngeal plexus; action, narrows pharynx in the act of swallowing.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MUSCULUS CONSTRICTOR PHARYNGIA MEDIUS
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