US
・UK
as you’d expect the lens to do, it projects these images onto the retina, the inner surface
And just as you'd expect a lens to do, it projects these images onto the retina, the inner surface of the eyeball that contains all the receptor cells that begin sensing that visual information.
You can also specify the color of the illumination, either the entire inner surface or local areas of different color if this is your request.
Either, the entire inner surface or local areas
The inner surface has positively charged potassium ions and proteins that are negatively charged.
The negatively charged proteins inside the cell are not balanced by an equal number of positive ions, making the inner surface of the neuron slightly more negative than the outside.