Onychogryphosis, also known as âramâs horn nails,â is a condition in which the toenails become thickened and the curve of the nails becomes more severe, making them difficult to cut and causing them to grow into a long, curved shape resembling a ramâs horn.
Scientific taxonomy. Basic level categories, or generic level categories, are those categories in a folk taxonomy which are most culturally salient, and meet our basic cognitive needs the best.cientific taxonomy. Basic level categories, or generic level categories, are those categories in a folk taxonomy which are most culturally salient, and meet our basic cognitive needs the best.
Taxonomic names are arranged into a hierarchy with an indefinite number of levels. The basic taxonomic levels are domain, kingdom, phylum, class, order, family and species binomial (genus + specific epithet). Intermediate levels are indicated by a wide variety of prefixes. Examples: subkingdom, subphylum, infraclass, superfamily.