In the U.S., the most common organism that causes proximal subungual onychomycosis is called T. Proximal subungual onychomycosis: The infection originates from the proximal nail fold (the skin that covers the root of your nail).Your nail may turn white, brown or yellow. The infection starts on the distal edge (the tip) or sides of your nail and spreads from there. Distal (lateral) subungual onychomycosis: This type is the most common.Mycotic nails are divided into seven types: Aid in your fine motor movements like picking things up.Add strength to the tips of your fingers and toes.As new cells grow in your toe or finger, the old ones are slowly pushed forward. Nails are made of a protein-rich tissue called keratin. Mycotic nails are also known as onychomycosis. The word “mycotic” means an infection with a fungus or a disease caused by a fungus. It separates your nail from your nail bed, making it thick and fragile. perhaps from a nail being used to mark that length on the end of a yardstick.A mycotic nail is a fungal infection that affects your toenails or fingernails. Phrase on the nail "on the spot, exactly" is from 1590s, of obscure origin OED says it is not certain it belongs to this sense of nail.Īs a unit of English cloth measure (about 2 1/4 inches) from late 14c. 1400) was "to drive home one's point, clinch an argument," and smiten the nail on the hed was "tell the exact truth" (mid-15c.). To hit the nail on the head "say or do just the right thing" is by 1520s in Middle English driven in the nail (c. The "fingernail" sense seems to be the original one, but many figurative uses are from the "small metal spike" sense: hard as nails is from 1828. Old English negel "tapering metal pin," nægl "fingernail ( handnægl), toenail," from Proto-Germanic *naglaz (source also of Old Norse nagl "fingernail," nagli "metal nail " Old Saxon and Old High German nagel, Old Frisian neil, Middle Dutch naghel, Dutch nagel, German Nagel "fingernail small metal spike"), from PIE root *(o)nogh "nail of the finger or toe" (source also of Greek onyx "claw, fingernail " Latin unguis "fingernail, claw " Old Church Slavonic noga "foot," noguti "fingernail, claw " Lithuanian naga "hoof," nagutis "fingernail " Old Irish ingen, Old Welsh eguin "fingernail, claw").
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