GluMI cells are anything but

In the retina, newly identified nerve cells inspire action

GLuMI nerve cell

PEEKABOO  A GLuMI nerve cell (yellow) is tucked among bipolar nerve cells  with two arms (red), photoreceptors (top, blue) and ganglion cells (bottom, pink) in a mouse retina.

Univ. of Washington

Despite its name, the newly identified GluMI cell (pronounced “gloomy”) is no downer.