Rod
A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provides side vision and the ability to see objects in dim light (night vision).
By contrast, the cones are the retinal photoreceptors that provide sharp central vision and color vision.
Read Also:
- Rodbell, Martin
Paul, Suzanne, Andrew, and Phillip. In 1954, Rodbell completed his doctoral thesis, under the direction of Donald Hanahan, on aspects of the metabolism of lecithin (a complex mixture of phospholipids) in the liver. In the fall of that year, Rodbell accepted a postdoctoral position as a research associate in biochemistry at the University of Illinois […]
- Rodenticidal
Capable of killing rats or other rodent pests or preventing them from damaging food, crops, etc.
- Rodenticide
A chemical or other agent used to destroy rats or other rodent pests or prevent them from damaging food, crops, etc. Rat poison is a familiar rodenticide.
- Retroposition
1. Simple backward displacement of a structure or organ such as the uterus. 2. In genetics, the integration of a sequence derived from RNA into a DNA genome. Messenger RNA (mRNA) is reverse-transcribed and reintegrated into the genome. Retroposition is an important mechanism of gene copying. It produces a large number of functional genes in […]
- Retromingent
“You have revealed yourself as a miserable, carping, retromingent vigilante, and I for one am sick of wasting my time communicating with you” (Benjamin C. Bradlee, Editor, The Washington Post). From the Latin retro- (back) + mingent from mingere (to urinate).