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Hyoglossal muscle

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As an external tongue muscle, the hyoglossal muscle is involved in swallowing, speaking, sucking and chewing, pulling the tongue back and down. Functional limitations are often due to problems with the hypoglossal nerve, which supplies the muscle with neuronal action. What is the hyoglossal muscle? The hyoglossal muscle is one of four external tongue muscles, including the genioglossus muscle, the styloglossus muscle, and the chondroglossus muscle