GO Term : GO:0031091 platelet alpha granule Gene Ontology

Description  A secretory organelle found in blood platelets, which is unique in that it exhibits further compartmentalization and acquires its protein content via two distinct mechanisms: (1) biosynthesis predominantly at the megakaryocyte (MK) level (with some vestigial platelet synthesis) (e.g. platelet factor 4) and (2) endocytosis and pinocytosis at both the MK and circulating platelet levels (e.g. fibrinogen (Fg) and IgG).
Namespace  cellular_component
Obsolete  false

0 Cross References

0 Data Sets

1 Ontology

Trail: GOTerm

0 Ontology Annotations

14 Parents

Trail: GOTerm

17 Relations

Trail: GOTerm

1 Synonyms

Trail: GOTerm
USDA
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