Ganglion cell
Ganglion Cell
A Ganglion Cell (pronunciation: /ˈɡæŋɡliən ˈsɛl/) is a type of neuron located in the retina that plays a crucial role in the visual system.
Etymology
The term "Ganglion" is derived from the Greek word "ganglion," which means "knot" or "swelling," referring to the appearance of these cells. The term "cell" comes from the Latin "cella," meaning "small room."
Function
Ganglion Cells are responsible for transmitting information from the retina to the brain. They receive input from photoreceptor cells and bipolar cells, and their axons form the optic nerve, which carries visual information to the brain for processing.
Types
There are several types of ganglion cells, including:
- Midget cells, which are responsible for fine, detailed vision.
- Parasol cells, which are sensitive to changes in light and dark.
- Photosensitive ganglion cells, which help regulate the body's circadian rhythms.
Related Terms
- Neuron
- Retina
- Optic Nerve
- Photoreceptor Cells
- Bipolar Cells
- Midget Cells
- Parasol Cells
- Photosensitive Ganglion Cells
External links
- Medical encyclopedia article on Ganglion cell
- Wikipedia's article - Ganglion cell
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