By Makeyba thomas
Th Integumentary System
The integumentary system is the organ system that protects the body from various kinds of damage, such as loss of water or abrasion from outside. The system comprises the skin and its appendages (including hair, scales, feathers, hooves, and nails).
- Skin - the external covering of the body consisting of a superficial, thinner epidermis and a deep, thicker dermis that is anchored to a subcutaneous layer
- Dermis -a layer of dense irregular connective tissue lying deep to the epidermis
- Hypodermis - another name for the subcutaneous layer
Keratin - an insoluble protein that makes up hair and nails
Melanin - a dark black, brown, or yellow pigment found in the skin and hair
Structure of Integumentary system
The eccrine glands are sweat glands that are not connected to hair follicles. They function throughout life by responding to elevated body temperature due to environmental heat or physical exercise. These glands are common on the forehead, neck, and back, where they produce profuse sweating on hot days and when a person is physically active. They also are responsible for the moisture that may appear on the palms and soles when a person is emotionally stressed.
Diseases of the integumentary system. Dermatologists specialize in treating diseases, disorders and injuries of the skin, hair and nails. They treat common conditions such as acne and warts; chronic skin conditions such as eczema and psoriasis; and more serious diseases like skin cancer