MICROANATOMY

Detailed explanation-1: -Signals from the environment-chemicals, extracellular proteins/hormones/factors, neighboring cells, the physical environment-converge on the cell, typically activating a signaling cascade that leads to gene expression. These specific proteins change the phenotype into that of a more specialized cell.

Detailed explanation-2: -Cell specialization, also known as cell differentiation, is the process through which “generic” or “common” cells transform into specialized cells with defined tasks. Generic embryonic cells differentiate into specialized cells through cell differentiation.