Chapter 5, Problem 5.1.8AYLO

Summary Introduction

To analyze:

The life history of keratinocytes from the time of its birth to the time it death till it flakes off the skin surface and correlation of its development stages with its histological appearance.

Introduction:

Keratinocytes are present in the innermost layer of the epidermis. They contain keratin protein, filaggrin protein, and proteases.

The function of keratinocytes are:

• Forming a skin barrier against pathogen, bacteria, and viruses.
• Acting as chemokines, they attract leukocytes at a point of microbial invasion.