Medical Research Council - London Institute of Medical Sciences

BPoD is 5

In 2017 we celebrate five years of bringing you beautiful imagery from biomedical science

Corti on Camera
25 October 2017

Corti on Camera

The organ of Corti is a swirling funnel of tissue inside the ear. A spiral of auditory hair cells, highlighted in red in these mice organs of Corti (with other cells stained blue) helps to soaks up sound. The delicate hairs sway about in noise, turning audio signals into mechanical ones, then into electrical impulses bound for the brain. This dazzling setup is prone to damage – loud noises, disease and developmental problems can destroy hair cells, and they cannot regenerate. The organ on the right shows the effects of removing a single gene, Six1 from the genetic makeup of the developing ear. Instead of having strong bands of hair cells (like the healthy tissue on the left), the organ without Six1 has a broken spiral with fewer hairs. Learning more about how Six1 helps hair cells emerge from stem cells during development could influence future treatments to restore hearing later in life.

Written by John Ankers

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BPoD stands for Biomedical Picture of the Day. Managed by the MRC London Institute of Medical Sciences the website aims to engage everyone, young and old, in the wonders of biomedicine. Images are kindly provided for inclusion on this website through the generosity of scientists across the globe.

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