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orbitalis muscle

musculus orbitalis

An orbitalis muscle is a rudimentary nonstriated muscle (smooth muscle) that crosses from the infraorbital groove and sphenomaxillary fissure and intimately united with the periosteum of the orbit. It is often called Muller's muscle. One characteristic of Horner's Syndrome is enophthalmos (retraction of the eyeball into the orbit due to paralysis of the orbitalis muscle that spans the inferior orbital fissure). Its function is eyeball protrusion.

On this page
Loại Muscle
Tên Latin musculus orbitalis
FMA ID 49034

Frequently Asked Questions

What is the orbitalis muscle?

An orbitalis muscle is a rudimentary nonstriated muscle (smooth muscle) that crosses from the infraorbital groove and sphenomaxillary fissure and intimately united with the periosteum of the orbit. It is often called Muller's muscle. One characteristic of Horner's Syndrome is enophthalmos (retractio

What is the Latin name for the orbitalis muscle?

The Latin name for the orbitalis muscle is musculus orbitalis.

References

  1. Foundational Model of Anatomy — FMA:49034 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0006318 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)
  3. Wikipedia — orbitalis muscle Encyclopedia article (verified cross-reference)

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Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

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