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- Glossary
Optic nerve
The axons (long fiber-like extensions) of the retinal ganglion cells form the optic nerve, which leaves the eye at the back of the optic disc. It comprises approximately one million axons and has a diameter of approximately seven millimeters.
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- Glossary
Vestibulo-ocular reflex
When we turn our head, our eyes automatically move in the opposite direction. This reflex ensures that a stable image is formed on the retina even when the head moves quickly. This is made possible by the connection between the semicircular canals of the vestibular system and the nerve nuclei of the eye muscles in the brain stem.
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- Glossary
Visual system
The visual system is the part of the nervous system that processes visual information. It primarily comprises the eye, the optic nerve, the optic chiasm, the optic tract, the lateral geniculate nucleus, the optic radiation, the primary visual cortex, and the visual association cortices.
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- Glossary
Zonules
The zonules are arranged in a radial pattern around the lens of the eye and connect it to the ciliary muscle.
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- Topic
animal thoughts
Some animals are more like us than we think
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- Basics
- Anatomy
The Epithalamus
Probably not the seat of the soul after all: the pineal gland in the epithalamus.
09.10.2025
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- Act
- Motor Skills
Motor Fine Tuning: the Modulation of Movements
The cerebellum and basal ganglia are responsible for the precise execution of movements.
01.12.2025
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- Basics
- Communication of Cells
Cells: Specialized Workers of the Brain
Several billion tiny cells are located in the brain. There they perform amazing work.
01.07.2025
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- Diseases
- Alzheimer's disease
“And now he has Alzheimer's...” – A Guide for Relatives
Alzheimer's diagnosis: Find out what to expect and don't forget about yourself.
11.11.2025
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- Basics
- Communication of Cells
On the Scent of Cell Communication
A lot has to happen before nerve cells reveal their secrets. A historical review.
22.12.2023
