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Lalita Krish.,
Lalita Krish., • 1 year ago

Clumps of Neurons Help Scientists Study Gut Disorders: Scientific American These neurospheres—free-floating balls of glia (red), neurons (green) and stem cells—were cultivated in a lab from stem cells taken from the intestine or stomach of a mouse. Researchers use the neurospheres to test treatments for gut motility disorders, in which portions of the intestine, sometimes referred to as the second brain, lack sufficient nerve cells to function properly.

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The retina contains five classes of neurons: photoreceptors (purple), horizontal cells (yellow), bipolar neurons (green), amacrine cells (pink and blue), and ganglion cells (pink and blue). In this cross section of an adult mouse retina, only a subset of bipolar cells, “the ON bipolar cells” are visible by their expression of GFP (green). The pink and blue speckled striations at the bottom of the image mark the fiber layer, which contains the ganglion cell axons that will form the optic nerve.

Developing nerve cells

A Mini Brain Grown From Human Stem Cells #Infographic

Coloured light micrograph of a 1-week old, nerve cell (neuron) cluster. This cell cluster has been grown in culture. The nerve cell bodies are still grouped together (centre) and the neurites (either axons or dendrites) that will connect the cell bodies to form a network, are beginning to develop (dark lines).

Tumor Cell - This is an electron microscopy from a tumor cell that is on the way to extravasate through an alveolar endothelium blood capillaries – the tumor cell is depicted in blue green, the endothelial cell in purple red. The protrusion of the tumor cell are seen that form their way through the endothelial cell.

Image of cell explorer Cajal's histological preps & brain illustrations showing glial cells & astrocytes

A fluorescent microscopic image of neurons generated from human embryonic stem cells.

Three neurons and human embryonic stem cells by Anirvan Ghosh at the University of California, San Diego., via Flickr