| Namespace | MPheno.ontology | Obsolete | false |
| description | any structural anomaly of a fully differentiated plasma cell that lives for years, as opposed to months, secretes immunoglobulin, and has the phenotype weakly CD19-positive, CD20-negative, CD38-negative, strongly CD138-positive, MHC Class II-negative, surface immunoglobulin-negative, IgD-negative, and strongly CXCR4-positive; the majority of these cells of this type reside in the bone marrow |
