Neuronal Collection

Nerve cell. Computer artwork of a nerve cell, also called a neuron. Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the rest of the body

Rod and cone cells of the eye, SEM C014 / 4866
Rod and cone cells of the eye. Coloured scanning electron micrograph (SEM) of rod and cone cells in the retina of a mammalian eye

Purkinje nerve cell, TEM C014 / 0583
Purkinje nerve cell. Transmission electron micrograph (TEM) of a purkinje nerve cell (green) from the cerebellum of the brain, showing the cell body (centre) and its primary dendrite (cell process)

Rod and cone cells of the eye, SEM C014 / 4864
Rod and cone cells of the eye. Coloured scanning electron micrograph (SEM) of rod and cone cells in the retina of a mammalian eye

KCNQ ion channel protein structure. Molecular model showing the protein structure of an ion channel domain. Ion channels are membrane-spanning proteins that form a pathway for the movement of

Nitric oxide synthase molecule F006 / 9452
Nitric oxide synthase, molecular model. This enzyme catalyses the production of nitric oxide from L-arginine. Nitric oxide is involved in cellular signalling

Rod and cone cells of the eye, SEM C014 / 4865
Rod and cone cells of the eye. Coloured scanning electron micrograph (SEM) of rod and cone cells in the retina of a mammalian eye

Purkinje nerve cell, TEM C014 / 0582
Purkinje nerve cell. Transmission electron micrograph (TEM) of a purkinje nerve cell (bright yellow, centre) from the cerebellum of the brain

Purkinje nerve cell C013 / 9763
Purkinje nerve cell. Light micrograph of a purkinje nerve cell (orange, centre) from the cerebellum of the brain. The cell comprises a flask-shaped cell body from which numerous processes (dendrites)

Purkinje nerve cells C013 / 9745
Purkinje nerve cells. Light micrograph of three purkinje nerve cells (across bottom) from the cerebellum of the brain. The cells comprise a flask-shaped cell body from which numerous processes

Neural network, artwork C013 / 4636
Neural network. Computer artwork of nerve cells (neurons) connected by processes (filaments), known as dendrites and axons, to form a neural network

Nerve cell, TEM C013 / 4797
Nerve cell. Transmission electron micrograph (TEM) of a section through a neuron (nerve cell), showing characteristic Nissl body (dark blue lines), numerous golgi apparatus (curved green lines)

Nerve cell, TEM C013 / 4796
Nerve cell. Transmission electron micrograph (TEM) of a section through a neuron (nerve cell), showing characteristic Nissl body (dark red lines), numerous golgi apparatus (curved pink lines)

Action of a beta blocker drug, artwork
Action of a beta blocker drug on nerve synapses, artwork. Beta blockers are used to treat cardiac arrhythmia (abnormal heartbeats) and hypertension (high blood pressure)

Brain on a chip

Neural chip. Conceptual computer artwork of a neural network (centre) on a microchip. This could represent hardware which mimics such networks, or contains actual nerve cells

Neuronal network. Conceptual computer artwork of a neural network. This could represent the interior of a human brain or a biological computer memory which mimics such networks

Creating new neural pathways, artwork
Creating new neural pathways. Artwork showing the process involved in the formation of new nerve cells (neurogenesis) and neural pathways

Neurogenesis, artwork
Neurogenesis. Artwork of an adult brain, revealing neurogenesis (nerve cell synthesis) sites. It was once believed that adult brains could not synthesise new neurons (nerve cells)

Motor neuron, SEM
Motor neuron. Scanning electron micrograph (SEM) of section through a motor neuron (nerve cell, dark blue) from the spinal cord, showing its nucleus (light blue, centre) and nucleolus (pink, centre)

Parkinsons disease, artwork
Parkinsons disease. Computer artwork of neurons (nerve cells, pink) containing Lewy bodies (green). Lewy bodies, which are deposits of protein

Nerve anatomy. Artwork showing the anatomy and structure of a nerve cell (neuron, upper left) and the nerve process (axon) connecting it to other nerve cells

Nerve cell with electrical sparks
Nerve cell. Conceptual computer artwork of a nerve cell, also called a neuron emitting electrical sparks. Neurons are responsible for passing information around the central nervous system (CNS)

Parkinsons disease, conceptual artwork. Hunched males figures standing around a myelinated neurone (nerve cell). Parkinsons disease is caused by the progressive degeneration of neurones

Adenosine crystals, light micrograph
Adenosine crystals, polarised light micrograph. Adenosine is a nucleoside molecule composed of the base adenine bonded to the sugar ribose

Enkephalin crystals, light micrograph
Enkephalin crystals, polarised light micrograph. Enkephalin is an endorphin found in the human brain. There are two variants: Met-enkephalin (seen here), which contains the amino acid methionine

Glutamic acid crystals, light micrograph
Glutamic acid crystals, polarised light micrograph. Glutamic acid is an non-essential amino acid, in which it can be synthesised by the body and does not need to be obtained from food

GABA crystals, light micrograph
GABA crystals. Polarised light micrograph of gamma-aminobutyric acid (GABA). GABA is an inhibitory neurotransmitter (nerve signalling chemical) that regulates the excitability of all nerve cells

Acetylcholine crystals, light micrograph
Acetylcholine crystals, polarised light micrograph. Acetylcholine (ACh) is a neurotransmitter (nerve signalling chemical) that plays an important role in relaying impulses at myoneural (muscle-nerve)

NMDA crystals, light micrograph
NMDA crystals, polarised light micrograph. NMDA (N-methyl-D-aspartic acid) is an amino acid derivative and a neurotransmitter (nerve signalling chemical)

Glial cells, SEM
Glial cells. Coloured scanning electron micrograph (SEM) of a glial cell (centre). Glial cells are nervous system cells that provide structural support and protection for neurons (nerve cells)

Nerve cells and glial cells, SEM
Nerve cells and glial cells, coloured scanning electron micrograph (SEM). The nerve cells have small cell bodies (orange) and fine extensions called axons and dendrites (brown)

Gecko retina, SEM
Gecko retina. Coloured scanning electron micrograph (SEM) of an oblique freeze-fracture through the retina of a gecko (family Gekkonidae)

Glial cell, SEM
Glial cell. Coloured scanning electron micrograph (SEM) of a cultured glial cell (centre). Glial cells are nervous system cells that provide structural support and protection for neurons (nerve cells)

Cholinesterase enzyme. Molecular model of the secondary structure of butyrylcholinesterase (BChE), showing alpha helices (blue) and beta sheets (red and yellow)

Cyclin-depenent kinase 5 molecule
Cyclin-dependent kinase 5. Molecular model showing the secondary structure of the enzyme cylcin- dependent kinase 5 (cdk5)

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"Unveiling the Intricacies of Neuronal Wonders: From Nerve Cells to Ion Channels" In the vast realm of neuroscience, neuronal wonders never cease to amaze us. At the core of this intricate network lies the nerve cell, also known as a neuron. These remarkable cells transmit electrical signals throughout our bodies, allowing for communication between different parts. One captivating aspect is the rod and cone cells found in our eyes, responsible for vision. Under scanning electron microscopy (SEM), we witness their unique structures up close – rods aiding in low-light conditions and cones enabling color perception (SEM C014 / 4866). Delving deeper into neural architecture, we encounter Purkinje nerve cells that play a crucial role in coordinating movement and balance. Through transmission electron microscopy (TEM), these magnificent cells reveal their complex branching patterns (TEM C014 / 0583). Their significance cannot be overstated as they form vital connections within our cerebellum. Exploring further into neurochemistry, enkephalin crystals come into focus under light microscopy. These opioid peptides act as natural painkillers within our nervous system, providing relief when needed most (Light micrograph). Returning to visual marvels once more, SEM captures rod and cone cells with astonishing detail yet again (SEM C014 / 4864). The intricacy of these specialized neurons showcases nature's brilliance in crafting an organ capable of perceiving light so exquisitely. Zooming out from cellular structures brings us to KCNQ ion channel proteins – gatekeepers regulating electrical activity within neurons. Understanding their structure aids researchers in unraveling mysteries surrounding neurological disorders such as epilepsy or deafness (KCNQ ion channel protein structure). Venturing even deeper into molecular terrain reveals nitric oxide synthase molecules at work – key players involved in various physiological processes like blood pressure regulation and immune response modulation (F006 / 9452).