Biomaterial Database

Nail damage associated with handling of paraquat and diquat. 1969

P D Samman, and E N Johnston

Damage and discoloration of the fingernails probably caused by contamination with concentrated solutions of paraquat and diquat are described in three patients. The cause of this damage is unknown, but is probably a local action.

UI	MeSH Term	Description	Entries
D008297	Male		Males
D008875	Middle Aged	An adult aged 45 - 64 years.	Middle Age
D009262	Nails	The thin, horny plates that cover the dorsal surfaces of the distal phalanges of the fingers and toes of primates.	Fingernails,Toenails,Fingernail,Nail,Toenail
D009264	Nails, Malformed	Deformities in nail structure or appearance, including hypertrophy, splitting, clubbing, furrowing, etc. Genetic diseases such as PACHYONYCHIA CONGENITA can result in malformed nails.	Onychauxis,Onychogryposis,Nail Abnormalities,Nails, Abnormal,Pachyonychia,Abnormal Nail,Abnormal Nails,Abnormalities, Nail,Abnormality, Nail,Malformed Nail,Malformed Nails,Nail Abnormality,Nail, Abnormal,Nail, Malformed
D011725	Pyridines	Compounds with a six membered aromatic ring containing NITROGEN. The saturated version is PIPERIDINES.
D006540	Herbicides	Pesticides used to destroy unwanted vegetation, especially various types of weeds, grasses (POACEAE), and woody plants. Some plants develop HERBICIDE RESISTANCE.	Algaecide,Algicide,Herbicide,Algaecides,Algicides
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368	Aged	A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available.	Elderly
D000644	Quaternary Ammonium Compounds	Derivatives of ammonium compounds, NH4+ Y-, in which all four of the hydrogens bonded to nitrogen have been replaced with hydrocarbyl groups. These are distinguished from IMINES which are RN	Quaternary Ammonium Compound,Ammonium Compound, Quaternary,Ammonium Compounds, Quaternary,Compound, Quaternary Ammonium
D012871	Skin Diseases	Diseases involving the DERMIS or EPIDERMIS.	Dermatoses,Skin and Subcutaneous Tissue Disorders,Dermatosis,Skin Disease