Phenotype: retina pigment granule sparse, 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: retina
Synonyms: retinas
Definition: Multi-tissue structure that contains the retinal neural layer and the retinal pigmented epithelium, and develops from the optic cup.
Ontology: Anatomy Ontology [ZFA:0000152]
Name: pigment granule
Synonyms:
Definition: A small, subcellular membrane-bounded vesicle containing pigment and/or pigment precursor molecules. Pigment granule biogenesis is poorly understood, as pigment granules are derived from multiple sources including the endoplasmic reticulum, coated vesicles, lysosomes, and endosomes.
Ontology: GO: Cellular Component [GO:0048770]    QuickGO    AmiGO
Name: sparse
Synonyms:
Definition: A spatial pattern inhering in a bearer by virtue of the bearer's being scattered; spread irregularly, and at a distance from each other.
Ontology: Phenotypic Quality Ontology [PATO:0001609]