The Integumentary System

The integumentary System
Subject : Anatomy and Physiology
Assessment 2
Lecturer’s name :
Student name :

Introduction :
Figure 5 :
Integumentary
system (Rizzo,
2012, p.119)

Level of organization :
Cell Tissue Skin organ
Figure 1 : level of organization ( Totora & Derrickson, 2016, p.643)

Cells and layers of epidermis
4 types of
epidermal cells:
- Keratinocytes
- Melanocytes
- Langerhans
cells
- Merkel cells
5 layers of epidermis:
- Stratum corneum
(death keratinocytes layer)
- Stratum lucidum
(clear keratin layer)
- Stratum granulosum
(2-5 dying flatten
keratinocytes)
- Stratum spinosum
(8-10 layers of keratinocytes
and Langerhans cells)
- Stratum basale
(single layer of keratinocytes
and some melanocytes)
(Marieb, 1998, p.144)Figure 2 : Layers and difference
types of cells (Marieb, 1998, p.144)