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Definition:"Thickened layer of skin surrounding fingernails and toenails. Beneath the cuticle is a thin layer of a membrane known as the pterygium. The function is to protect the area between the nail and epidermis from exposure to harmful bacteria. The vascularization pattern is similar to that of perionychium. The eponychium is the end of the proximal fold that folds back upon itself to shed an epidermal layer of skin onto the newly formed nail plate. This layer of non-living, almost invisible skin is the cuticle that 'rides out' on the surface of the nail plate. Together, the eponychium and the cuticle form a protective seal. The cuticle on the nail plate is dead cells and is often removed during manicure, but the eponychium is living cells and should not be touched.[6] The perionyx is the projecting edge of the eponychium covering the proximal strip of the lunula[WP]." [Wikipedia:Eponychium]


Synonyms: "cuticle" RELATED [MA:0002704]

Ontology association<br>Each term has an is_a parent in the Uberon Ontology, which has a linkage to an another entity and FANTOM5 samples.Libraries were grouped into mutually exclusive facets according to the FANTOM5 sample ontology mapping to UBERON ontologies.<br><br>link to ontology dataset<br>data


is_a:UBERON:0004121(ectoderm-derived structure),UBERON:0013754(integumentary system layer)
part_of:UBERON:0001003(skin epidermis)


derives from:FF:0011460 (Fingernail (including nail plate- eponychium and hyponychium) sample)

Ontology Tree: Loaded from BioPortal

Ontorolgy tree(Small window open)

FF samples<br>It includes FANTOM5 samples that overlay the Uberon ontology

Human (Homo sapiens)

Enrichment analysis: top 100 FFCP enriched with this ontology term TOP 100 FANTOM5 Cage Peaks enriched with UBERON:0004882 (eponychium), sorted by p-values <br>Analyst: Hideya Kawaji<br><br>link to source dataset <br>human : data <br>mouse : data

No analysis results