| Name: | retinal rod cell |
|---|---|
| Synonyms: | retinal rod cells |
| Definition: | One of the two photoreceptor cell types of the vertebrate retina. In rods the photopigment is in stacks of membranous disks separate from the outer cell membrane. Rods are more sensitive to light than cones, but rod mediated vision has less spatial and temporal resolution than cone vision. |
| Ontology: | Anatomy Ontology [ZFA:0009275] |
| Name: | nucleus |
|---|---|
| Synonyms: | cell nucleus, horsetail nucleus |
| Definition: | A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent. |
| Ontology: | GO: Cellular Component [GO:0005634] QuickGO AmiGO |