- plant anatomy
- exact: クチン (Japanese)
- broad: cutin matrix
- A portion of plant substance (PO:0025161) that is the inner layer of a plant cuticle (PO:0000022), and is composed of a polyester matrix of hydroxy- and hydroxy epoxy fatty acid C16 and C18 chains. [source: PMID:12467640, POC:curators]
- Cutin is the insoluble, covalently cross-linked polymer that forms an electron dense layer over the epidermal cells (PO:0004013) of an aerial plant structure.
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