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.
Levels K-O are high school levels. 1  Level K: Functions: Quadratic, fractional, irrational, exponential. 2  Level L: Logarithms, basic limits, derivatives, integrals, and its applications. 3  Level M: Trigonometry, straight lines, equation of circles. 4  Level N: Loci, limits of functions, sequences, differentiation.