Protein stored as granules in the cells of plant seeds.
- Details of endosperm mobilization and aleurone cell death were first described in the nineteenth century by Haberlandt.
- Expression was more obvious in aleurone cells, the endosperm cells lining the maternal seed coat.
- Endosperm refers to the rest of the seed, i.e. the seed coat, pericarp, aleurone layer, and starchy endosperm.
Mid 19th century: from Greek aleuron 'flour'.
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