accessory ciliary ganglion

A parasympathetic ganglion located on the short ciliary nerve differentiated from the main ciliary ganglion by virtue of the fact that it had no root derived directly from the inferior trunk of the oculomotor nerve and it never attaches to this nerve.

प्रकार Nerve
मूल संरचना ganglion of ciliary nerve

अक्सर पूछे जाने वाले प्रश्न

What is the accessory ciliary ganglion?
The accessory ciliary ganglion is a small parasympathetic ganglion located on the short ciliary nerve, distinct from the main ciliary ganglion. It is differentiated from the main ganglion by the absence of a root derived directly from the inferior trunk of the oculomotor nerve.
Where is the accessory ciliary ganglion located?
The accessory ciliary ganglion is located in the orbit, attached to the short ciliary nerve. It is found near, but distinct from, the main ciliary ganglion, which is the primary parasympathetic ganglion serving the eye.
What is the function of the accessory ciliary ganglion?
The accessory ciliary ganglion serves as a relay station for parasympathetic fibers traveling to the smooth muscles of the eye — specifically the ciliary muscle (which controls lens accommodation) and the sphincter pupillae (which constricts the pupil).
What conditions can affect the accessory ciliary ganglion?
As a variant structure, specific conditions uniquely affecting the accessory ciliary ganglion are not well documented in clinical literature. Damage to the ciliary ganglion region in general (e.g., from orbital trauma or surgery) can affect pupillary reflexes and accommodation.
How is the accessory ciliary ganglion different from the main ciliary ganglion?
The main ciliary ganglion receives a direct root from the inferior division of the oculomotor nerve and serves as the principal relay for parasympathetic innervation to the eye. The accessory ciliary ganglion lacks this direct root and represents a secondary or variant ganglion along the short ciliary nerve pathway.

संबंधित संरचनाएं

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

चिकित्सा अस्वीकरण

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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.