# specific granule

> granule with a membranous, tubular internal structure, found primarily in mature neutrophil cells (most are released into the extracellular fluid); specific granules contain lactoferrin, lysozyme, vitamin B12 binding protein and elastase

**Wikidata**: [Q7574986](https://www.wikidata.org/wiki/Q7574986)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Specific_granule)  
**Source**: https://4ort.xyz/entity/specific-granule


## References

1. Gene Ontology release 2019-10-07
2. UMLS 2023