Table of Contents
- 1 Which layer of the skin provides protection?
- 2 What is outer layer protection?
- 3 Which layer of the epidermis contains cells that provide protection against UV radiation?
- 4 What are the 3 layers of skin called?
- 5 How does the epidermis protect the skin from radiation?
- 6 What kind of cells are found in the epidermis?
Which layer of the skin provides protection?
The epidermis is the outer layer of your skin, and it plays an important role in protecting your body from things like infection, UV radiation, and losing important nutrients and water.
What are the different ways that the integument offers protection?
In humans, this system accounts for about 15 percent of total body weight. Skin and hair provide protection from harmful ultraviolet radiation and the skin guards against sunburn. It also waterproofs, cushions and protects the body from infection. The integumentary system excretes wastes and regulates body temperature.
What is outer layer protection?
The epidermis is the upper layer of skin. This tough, protective outer layer is thin in some areas and thick in others. Keratin in the skin’s outer layer helps create a protective barrier.
What is the protective covering of the body?
The skin is the body’s largest organ. It covers the entire body. It serves as a protective shield against heat, light, injury, and infection.
Which layer of the epidermis contains cells that provide protection against UV radiation?
The stratum basale also contains melanocytes, cells that produce melanin, the pigment primarily responsible for giving skin its color. Melanin is transferred to keratinocytes in the stratum spinosum to protect cells from UV rays.
What helps protect sensitive cells from UV rays?
Melanin protects the sensitive cells in the dermis (which is located below the epidermis) from the destructive effects of excessive ultraviolet (UV) light from the sun or from ultraviolet lamps.
What are the 3 layers of skin called?
Epidermis. Dermis. Subcutaneous fat layer (hypodermis)
How are pigment cells in the basal layer protect the skin?
Pigment cells in the basal layer ( melanocytes) protect the skin from ultraviolet radiation. The basement membrane zone is the communication channel between epidermis and dermis. The epidermis has a complex structure designed to protect from the environment.
How does the epidermis protect the skin from radiation?
Immune cells within the epidermis recognise and process small molecules penetrating the skin surface. Pigment cells in the basal layer ( melanocytes) protect the skin from ultraviolet radiation. The basement membrane zone is the communication channel between epidermis and dermis.
Which is the deepest layer of the epidermal layer?
The stratum basale (also called the stratum germinativum) is the deepest epidermal layer and attaches the epidermis to the basal lamina, below which lie the layers of the dermis. The cells in the stratum basale bond to the dermis via intertwining collagen fibers, referred to as the basement membrane.
What kind of cells are found in the epidermis?
Other cells found in the epidermis are melanocytes, which produce UV-protecting melanin; Langerhans cells, which work to protect us as part of our immune system; and Merkel cells, which are part of the nervous system and help the skin to connect to nerve endings deeper in the body. To unlock this lesson you must be a Study.com Member.