| Name: | spleen |
|---|---|
| Synonyms: | |
| Definition: | Organ that filters the blood removing defective blood cells. The spleen is a dark red organ, located in the peritoneal cavity, adjacent to one of the liver lobes. The spleen consists of red pulp composed of erythrocytes and thrombocytes and white pulp, composed of macrophages, reticular cells and reticulin fibers. |
| Ontology: | Anatomy Ontology [ZFA:0000436] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |