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Sciatic nerve. The sciatic nerve is the longest and widest single nerve in the human body, running from the top of the leg to the back of the foot..hve probs with this

The sciatic nerve is the longest and widest single nerve in the human body, running from the top of the leg to the back of the foot. Of particular interest to me as mine frequently has hissyfits!

Another false color electron micrograph of a synapse.  The lower right teal circle containing small red circles is the presynaptic neuron;  upper circle is the postsynaptic neuron.  The presynaptic neuron send the postsynaptic neuron signal by releasing neurotransmitter from the small red circles. Neurotransmitter travels across the synaptic cleft and interacts with proteins in the postsynaptic density, the dark area against the membrane in the postsynaptic neuron.  Mitochondria, which…

Another false color electron micrograph of a synapse. The lower right teal circle containing small red circles is the presynaptic neuron; upper circle is the postsynaptic neuron.

Micrografía electrónica de barrido coloreada (SEM) de la válvula tricúspide (superior derecha) vista desde el ventrículo derecho del corazón. Las cuerdas del corazón (estructuras filiformes) se conocen como las cuerdas tendinosas, y conectan las válvulas al músculo utilizado para controlar su apertura y cierre. La válvula tricúspide se encuentra entre la aurícula derecha y el ventrículo derecho, lo que ayuda a controlar el flujo de sangre entre las dos cámaras del corazón.

☤ MD ☞☆☆☆ Heart valve and strings, coloured scanning electron micrograph (SEM). This is the tricuspid valve (upper right), seen from the right ventricle of the heart.

Nature Magnified - dicot root cross section - microscopic plant cells; beauty in nature; delicate patterns & natural colour source for design

Nature Magnified // dicot root cross section // microscopic plant cells // beauty in nature// delicate patterns & natural source for design

JMDHistology.com For all of your Pathology, Histology, And Research needs ..

JMDHistology.com For all of your Pathology, Histology, And Research needs ..

EM: lung tumor cell extravasating through an alveolar endothelium blood capillary – the tumor cell is depicted in blue green, the endothelial cell in purple red.

Conceptual Image EM: lung tumor cell extravasating through an alveolar endothelium blood capillary – the tumor cell is depicted in blue green, the endothelial cell in purple red.

Melonin sterile wound dressing by Mike Samworth

Scientific American presents a supplemental selection of outstanding images entered in the Olympus BioScapes Digital Imaging Contest by the great masters of the microscope

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