What is hyperplasia?: (A) Decrease in cell size, (B) Increase in cell size, (C) Increase in cell number, (D) Decrease in cell number
Answer is C. Physiological adaptive responses include: * Hyperophy - increase in cell size * Hyperplasia - increase in number of cells * Atrophy - decrease in cell size and number * Metaplasia - reversible replacement of one cell type by another differentiated cell type Hyperplasia is common in cells capable of replication namely labile cells / stable cells or stem cells Reference robbins page no 2.