| Phenotype: | retinal photoreceptor layer has fewer parts of type retinal rod cell, abnormal |
|---|---|
| Note: | This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name. |
| Name: | retinal photoreceptor layer |
|---|---|
| Synonyms: | retinal photoreceptor layers |
| Definition: | The layer within the retina where the photoreceptor cell receptor segments reside. This layer is closest to the sclera. |
| Ontology: | Anatomy Ontology [ZFA:0000143] |
| Name: | has fewer parts of type |
|---|---|
| Synonyms: | decreased number of, has decreased number of, has fewer physical parts of type |
| Definition: | The bearer of this quality has_part < n AND has_part > 0 of the indicated entity type, where n is the normal amount for a comparable organism. Note that the bearer of the quality is the whole, not the part. Formally: If a bearer entity e has fewer parts of type X at time t, then the number of instances x of X at t such that x part_of e is < n, where n is either the normal number for comparable entities, or n is stated explicitly. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002001] |
| 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] |