Integumentary System Flashcards
What does the Integumentary System consist of?
Skin, nails, hair, sweat glands, sebaceous glands
Functions of Integumentary System
Protection, coloration, prevention of water loss, regulation of temperature, synthesis, excretion
Specific layers of epidermis (boy scouts go camping)
- stratum corneum
- stratum lucidum
- stratum granulosum
- stratum spinosum
- stratum basale
Specific layers of dermis
- papillary layer
- reticular layer
General tissues of layers of skin
-Epidermis: epithelial
-Dermis: connective
-Hypodermis: connective
Specific tissue of epidermis
keratinized stratified squamous epithelium
Specific tissue of dermis
A. areolar connective tissue
B. dense irregular connective tissue
Specific tissue of hypodermis
adipose and areolar connective tissue
What are melanocytes?
-Produce melanin, skin coloring
-Pigment protects from UV
What are keratinocytes?
-Produce keratin
-protect from abrasions, protein
Functions of hair
Protection, heat retention, face expression, sensory reception, visual identification
arrector pili muscles
smooth muscles, goosebumps
Sweat glands
apocrine and merocrine gland
Sebaceous glands
-secrete oil
-holocrine gland