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Encyclopedia > Infrahyoid
Muscles of the neck. Anterior view.
Hyoid bone is white horizontal line near top.
Infrahyoid muscles are below hyoid, while Suprahyoid muscles are above.
"Sterno-hyoideus" is at center left.
"Omo-hyoideus" is immediately to the right of the Sterno-hyoideus.
"Thyro-hyoideus" is to the left of omo-hyoideus, across from thyroid cartilage.
"Sterno-thyreoidus" is at left, below thyro-hyoideus.

The term infrahyoid refers to the region below (inferior) to the hyoid bone in the neck. Image File history File links Gray386. ... Image File history File links Gray386. ... The hyoid bone (Os Hyoideum; Lingual Bone) is a bone in the human neck, not articulated to any other bone; it is supported by the muscles of the neck and in turn supports the root of the tongue. ... Muscles of the neck. ... The Sternohyoid muscle is a muscle of the human body. ... The omohyoid muscle is a muscle at the front of the neck that consists of two bellies separated by an intermediate tendon. ... The Thyrohyoid muscle is a muscle of the human body. ... The cartilages of the larynx. ... The Sternothyroid muscle is a muscle of the human body. ... The hyoid bone (Os Hyoideum; Lingual Bone) is a bone in the human neck, not articulated to any other bone; it is supported by the muscles of the neck and in turn supports the root of the tongue. ... A human neck. ...


The infrahyoid muscles are a group of four pairs of muscles in the anterior part of the neck, namely the sternothyroid, sternohyoid, thyrohyoid and omohyoid muscles. Collectively, they are referred to as the strap muscles, because the muscles are long and flat much like a strap. All of the infrahyoid muscles are innervated by the ansa cervicalis from the cervical plexus(C1-3) EXCEPT for the thyrohyoid muscle, which is innervated by only C1. The actions of these muscles are to fix or depress the hyoid bone. It has been suggested that this article or section be merged into Muscular system. ... A human neck. ... The Sternothyroid muscle is a muscle of the human body. ... The Sternohyoid muscle is a muscle of the human body. ... The Thyrohyoid muscle is a muscle of the human body. ... The omohyoid muscle is a muscle at the front of the neck that consists of two bellies separated by an intermediate tendon. ... A strap is a strip, usually of fabric or leather. ... The ansa cervicalis (or ansa hypoglossi in older literature) is a loop of nerves that are part of the cervical plexus. ...


The stylopharyngeus muscle is considered by many to be one of the strap muscles but it is innervated by CN9 rather than the ansa cervicalis. The Stylopharyngeus muscle is a muscle of the human body. ...


  Results from FactBites:
 
Infrahyoid - Wikipedia, the free encyclopedia (199 words)
The term infrahyoid refers to the region below (inferior) to the hyoid bone in the neck.
The infrahyoid muscles are a group of four pairs of muscles in the anterior part of the neck, namely the sternothyroid, sternohyoid, thyrohyoid and omohyoid muscles.
All of the infrahyoid muscles are innervated by the ansa cervicalis.
CHAPTER 50: THE NECK (9365 words)
All the fibers to the infrahyoid muscles are derived ultimately from cervical nerves l-3.
The lateral surface is covered by infrahyoid muscles; the medial surface is related to the larynx, pharynx, trachea, and esophagus; the posterior surface (fig.
50-11) arises in the carotid triangle, descends deep to the infrahyoid muscles to enter the apex of the corresponding lobe of the thyroid gland, where it divides into glandular branches.
  More results at FactBites »

 
 

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