Rod

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Related to rod cell: cone cell

ROD. A measure sixteen feet and a half long; a perch.

References in periodicals archive ?
Data acquisition from the membrane current of the rod cell is performed via suction electrode technique in, Ref [35].
The present study has confirmed these findings and shown that, in terms of numbers of gold particles, the synaptic terminal contains roughly 4 times the amount of phosducin than might be predicted on the basis of a random distribution of molecules throughout the rod cell.
Like the mirror of a telescope pointed toward the night sky, the eye's rod cells capture the energy of photons - the individual particles that make up light.
Ali's group transplanted immature rod cells from newborn mice into the retinas of night-blind adult mice.
The geometry of a rod cell demands that there be some messenger substance; the light-sensing molecules, rhodopsins, sit in membrane disks that are not continuous with the outer membrane containing the ion channels responsible for the electrical signal.
During the study, the researchers were interested in how other genes that are active in the developing retina can act to promote the development of rod cells while suppressing the development of cone cells.
Rod cells are the eye's most sensitive cells and they allow us to see in very dim light.
Deactivating either Nrl or Nr2e3 reprogrammed rod cells to become cone cells.
In the dark, only the rod cells around the outside of your retina are active and allow you to see.
Rod cells perceive contrast in low light (basically black and white vision) and cone cells provide colour vision.
But because dark-adapted rods have nearly the same sensitivity to red light as our L-cones, red light that is bright enough to read by is sufficient to excite our rod cells somewhat.
It has been suggested that age-related changes may be due to insufficient vitamin A reaching the rod cells to allow normal photoreceptor function and survival.