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1 lut 2023 · The extrinsic muscles act to move the larynx superiorly and inferiorly. They are comprised of the suprahyoid and infrahyoid groups, and the stylopharyngeus (a muscle of the pharynx). The supra- and infrahyoid muscle groups attach to the hyoid bone.
- Suprahyoid
The suprahyoid muscles are a group of four muscles located...
- Suprahyoid
30 paź 2023 · The extrinsic muscles of the larynx are those that are somehow attached to the hyoid bone, be it via origin or insertion and thus move the thyroid cartilage. The infrahyoid muscles are part of and attach to the lower larynx as well as the inferior aspect of the hyoid bone.
23 lut 2024 · The extrinsic muscles of the larynx are groups of muscles that act on the larynx as a whole to alter its position. Functionally they can be described as two groups of muscles: infrahyoid muscles: depressors of the hyoid and larynx which are innervated by various nerves from the ansa cervicalis ): thyrohyoid. omohyoid. sternohyoid. sternothyroid.
30 paź 2023 · The extrinsic laryngeal muscles move the larynx as a whole. They consist of the suprahyoid muscles that elevate the hyoid bone and the larynx during swallowing and vocalization, and the infrahyoid muscles that depress the hyoid bone and the larynx.
17 lip 2024 · Structure and Function. The larynx is a cartilaginous skeleton with intricate neuromuscular control. The hyoid is the only bone in the larynx and articulates with many extrinsic laryngeal muscles. The anterior prominence of the thyroid cartilage is a notable external landmark of the larynx.
4 wrz 2023 · The extrinsic larynx muscles are paired and allow the movement of the larynx. The thyrohyoid muscle inserts on the thyroid cartilage and the body of the hyoid bone. The receives innervation from the first cervical nerve, along with the hypoglossal nerve.
The muscles of the larynx are extrinsic, passing between the larynx and parts around; and intrinsic, confined entirely to the larynx. The intrinsic muscles are divided into respiratory and the phonatory muscles (the muscles of phonation).
