Middle constrictor
Middle Constrictor
The Middle Constrictor is a muscle in the pharynx, specifically in the human throat. It is one of three constrictor muscles, the others being the superior constrictor and the inferior constrictor. These muscles play a crucial role in the process of swallowing.
Anatomy[edit | edit source]
The Middle Constrictor originates from the stylohyoid ligament and the greater and lesser cornu of the hyoid bone. It inserts into the median fibrous raphe at the back of the pharynx, overlapping the superior and inferior constrictors.
Function[edit | edit source]
The primary function of the Middle Constrictor is to constrict the pharynx during swallowing, propelling food from the mouth to the esophagus. It is innervated by the pharyngeal plexus, which is primarily supplied by the vagus nerve.
Clinical Significance[edit | edit source]
Damage to the Middle Constrictor can result in difficulty swallowing, a condition known as dysphagia. This can occur due to various causes, including nerve damage, stroke, or cancer.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD