Axon Collection (#5)

Synapse, computer artwork
Synapses. Computer artwork of synapses, the junctions between the ends (blue, swollen) of two nerve cells (neurons). Nerve cells are responsible for passing information around the central nervous

Foetal neurons. Light micrograph of human foetal neurons (nerve cells). Neurons are responsible for passing information around the central nervous system (CNS)

Nerve cell growth. Light micrograph of nerve cells (neurons) with immunofluorescent staining. These cells have been grown in culture

Nerve cell growth. Fluorescent light micrograph of a PC12 cell following stimulation by nerve growth factor. The cell body contains the nucleus (green)

Cultured nerve cells. Coloured scanning electron micrograph (SEM) of a cultured piece of spinal cord (centre). Each nerve cell (neuron) in the cord has an axon (long thin strand) growing from it

Nerve cell culture, SEM
Nerve cell culture. Coloured scanning electron micrograph (SEM) of new growth from a cultured sample from a spinal cord. The numerous branching strands are neurites

Cerebral cortex nerve cells

Myelinated nerve fibres, SEM
Myelinated nerve fibres. Coloured scanning electron micrograph (SEM) of a section through a bundle of nerve fibres containing a blood vessel (orange)

Nerve fibre node, TEM
Nerve fibre node. Coloured transmission electron micrograph (TEM) of a cross-section through a nerve fibre (axon) at a node of Ranvier

Nerve fibres. Coloured scanning electron micrograph (SEM) of parallel myelinated nerve fibres in the spinal cord. Each fibre consists of a nerve cell axon, the output process of a nerve cell

Nerve fibre, SEM
Nerve fibres. Coloured scanning electron micrograph (SEM) of nerve fibres (brown). A group of nerves such as this is known as a fasciculus

Coloured SEM of some nerve fibres
Nerve fibres. Coloured scanning electron micrograph (SEM) of some nerve fibres. A group of nerves such as this is known as a fasciculus

Brain power. Conceptual computer artwork of a Rubiks cube with neurological images on its surfaces. At top is a coloured magnetic resonance imaging (MRI) scan of a section through the head

Demyelinated nerve, TEM
Demyelinated nerve. Coloured transmission electron micrograph (TEM) of a section through an axon (a structure that transmits nerve impulses to other nerve cells) that has lost its myelin sheath

Nerve demyelination, TEM
Nerve demyelination. Coloured transmission electron micrograph (TEM) of a section through a Schwann cell and a nerve fibre, showing the early collapse of its myelin sheath

Demyelinated nerve in multiple sclerosis. Coloured transmission electron micrograph (TEM) of a section through an axon (a structure that transmits nerve impulses) that has lost its myelin sheath

Nerve cells, neurons connected
Computer artwork of two nerve cells connecting with glowing impulse

Coloured SEM of a nerve cell in brain tissue
Nerve cell. Coloured scanning electron micrograph (SEM) of a section through grey matter in the brain, showing a nerve cell (neurone)

Cerebellum structure, light micrograph
Cerebellum structure. Coloured light micrograph of a section through the highly-folded cerebellum of the brain. The cerebellum comprises three main layers

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The intricate world of the axon, a vital component of nerve cells, comes to life through advanced imaging techniques. In the synapse nerve junction, where communication between neurons occurs, transmission electron microscopy (TEM) reveals a mesmerizing web of connections. Collagen fibers intertwine with delicate axons in a scanning electron micrograph (SEM), highlighting their structural support. Regeneration is key for damaged nerves, and TEM captures the awe-inspiring process. A regenerating nerve cell emerges from its cocoon-like state, showcasing its resilience and potential for healing. Myelination of nerve fibers is another fascinating phenomenon observed under TEM; this protective sheath enhances signal conduction efficiency. Zooming out to explore larger structures within our brain, light micrographs unveil the complexity of the cerebellum's architecture. Its convoluted layers resemble an abstract masterpiece waiting to be deciphered. Motor neurons also take center stage in these images; their distinctive shapes hint at their crucial role in controlling movement. Returning to TEM imagery once more, we witness yet another regenerating nerve cell undergoing transformation—a testament to nature's remarkable ability to restore itself. Synapse nerve junctions are further examined using SEM, revealing an intricately woven network that facilitates rapid information transfer between neurons. Delving deeper into the microscopic realm with SEM unveils stunning images of individual nerve cells—each one unique and essential for proper brain function. The myelination process continues captivating us as TEM showcases its intricate details once again. To better understand neuron diversity, an illustration presents multipolar, unipolar, and bipolar neurons side by side—an educational glimpse into their distinct characteristics and functions within our nervous system.