abductor hyohyoid

A muscle (abductor hyohyoid) that performs abduction, moving a body part away from the midline or central axis.

Tipo Organ
Estructura principal hyoid muscle

Preguntas frecuentes

What is the abductor hyohyoid?
The abductor hyohyoid is a muscle found in certain vertebrates that performs abduction of the hyohyoid apparatus — moving the hyoid bone components away from the midline. It is part of the hyoid musculature associated with the floor of the mouth and pharynx.
Where is the abductor hyohyoid located?
The abductor hyohyoid is positioned in the region of the hyoid bone (and its associated ceratobranchial and hypobranchial elements), typically in the floor of the oral cavity or pharyngeal region, depending on the species in which it is found.
What is the function of the abductor hyohyoid?
The abductor hyohyoid moves the hyoid apparatus or its elements away from the midline (abduction). This movement contributes to the expansion of the oral or pharyngeal cavity, which is important for suction feeding, swallowing, and ventilation in many vertebrates.
What conditions can affect the abductor hyohyoid?
This structure is primarily of interest in comparative anatomy and functional morphology. Dysfunction of hyoid musculature in general can contribute to swallowing difficulties (dysphagia) and sleep apnea, as the hyoid apparatus supports the airway.
How is the abductor hyohyoid different from the adductor hyohyoid?
The abductor hyohyoid moves hyoid elements away from the midline, expanding the pharyngeal space, while an adductor hyohyoid (if present) would move them toward the midline, compressing the pharyngeal space. These antagonistic functions are important in the mechanical control of feeding and breathing.

Estructuras relacionadas

mucus body coating mucous body coating mucus cocoon mucous cocoon Mullerian duct ductus paramesonephricus multi cell part structure cell part cluster multicellular anatomical structure multicellular structure multilaminar epithelium laminated epithelium multi-tissue structure multi-tissue structures multi-unit eye

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.