Integumentary System Flashcards
Two parts of skin
Epidermis and dermi
Largest organ in the body
Skin
The outmost layer consist of stratified squamous epithelial tissue and most superficial layer of skin
Epidermis
Inner and deeper layer compose connective tissue
Dermis
Skin layer of subcutaneous tissue
Hypodermis
Finger like projections called
Papillae
Only epidermis damaged
First degree burns
Injury to the epidermis and upper region of the dermis
Second degree burns
Destroy entire thickness of the skin
Third degree burns
Brown pigment present in epidermis layer
Melanin
Pigment is yellow to orange
Carotene
Present in the blood circulating in the capillaries of the dermis
Oxyhemoglobin (red)
Two distinct layer of skin
Epidermis and dermis
Five zone or layers called strata
Stratum basale
Stratum spinosum
Stratum granulosum
Stratum lucidum
Stratum corneum
Appendages of the skin
Cutaneous glands
Hair and hair follicles
Nails
Deep pressure receptors
Pacinian corpuscles
Touch receptors
Meissner corpuscles
Are all exocrine glands that release their secretions to the skin
Cutaneous glands
Also called sudoriferous glands
Sweat glands
Numerous in the skin of palms and soles
Eccrine sweat glands
Largely confined axillary and genital area of the body
Apocrine sweat glands
Provide blood supply to the matrix in the hair bulb
Hair follicle
Connect each side of the hair follicle to the dermal tissue
Arrector pili muscle
Parts of the nail
Nail roots
Nail body
Nail edge
Cuticle
Skin surrounding the nail
Nail fold
Nail bed
Nail groove
