ganglion
Nerve Cell Cluster
Plain-language definition
A cluster of nerve cell bodies. Retinal ganglion cells collect visual signals from the retina and transmit them through the optic nerve to the brain.
Where this term comes up
“GCC or GCL/IPL (ganglion cell complex) - measured at the macula; complements RNFL testing and can show glaucomatous damage that RNFL alone may miss”
Guide · How to Read Your OCT Report
“The sphincter muscle (which constricts the pupil) is controlled by nerve fibers that travel through the ciliary ganglion near the eye.”
Condition · Adie's Tonic Pupil
“Protect retinal ganglion cells (neuroprotection)”
Medication · Brimonidine (Alphagan)
- Category
- Anatomy
- Also written as
- No alternate forms listed.
Anatomy terms name the eye, orbit, optic nerve, retina, or visual pathway structures that may appear in an exam note or imaging report.
Related glossary terms
- ischemia
Reduced Blood Supply
- MRI
Magnetic Resonance Imaging
- OCT
Optical Coherence Tomography
- chiasm
Optic Nerve Crossing
- anisocoria
Pupils of Unequal Size
- bilaterally
On Both Sides
A note on medical context
A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.