Simón Ortega

Simón Ortega

Simón Ortega
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RNA-Polymerase transcription mRNA molecular animation gif

In Autumn, the proteins in our cells, change colors and put on a fantastic display before they flutter softly to the ground… no wait, that’s leaves. Nonetheless, this RNA polymerase spo…

Neurons (in blue to yellow) growing on top of astrocytes (in red, helper cells within the nervous system) in a human stem cell embryoid body (a cluster of differentiating human embryonic stem cells).

This image of neurons growing over astrocytes in a human stem cell embryo body – taken by Dr Juan Carlos Izpisúa of the Centre of Regenerative Medicine in Barcelona – was one of the Images of Distinction in the Nikon Small World 2011 competition

A Few Kidney Facts: higher blood flow than even the brain, liver or heart, reabsorb and redistribute 99% of the blood volume and only 0.1% of the blood filtered becomes urine, Each kidney is about 4 ½ inches long, weighs approximately 4 to 6 ounces, kidneys of a newborn baby are about 3X larger in proportion to body weight, volume of urine excreted daily approx 1000 to 2000 mL.

Each kidney contains thousands of glomeruli, tiny knots of blood vessels that filter large molecules out of urine. Fractal branching patterns in the circulation of blood inside the kidney ensure that the filtration process is as efficient as possible.

Cóclea. Órgano auditivo situado en el oído interno.

Color-enhanced scanning electron micrograph of the inside of a guinea pig inner ear showing the hearing organ, or cochlea. Running along the spiral structure are rows of sensory cells which respond to different frequencies of sound.

Anthrax (Wool Sorter’s Disease): Epidemiology, Pathology, Clinical Manifestations, Diagnosis, Treatment And Prevention

World’s deadliest diseases - including the Black Death and anthrax. The rod shaped Anthrax bacteria: Bacillus anthrax is bacteria, the cause of anthrax.