Functions of the skin
What are the 6 primary functions of the skin?
Sensation, protection, heat regulation, excretion, secretion, absorption
What are the layers of the skin?
1.) Epidermis
2.)Dermis
3.) Subcutaneous
Melanosomes carry and produce what kind of protein?
Melanin
What involves the study of the anatomy, layers, and functions of the skin
Physiology and histology
What fibrous connective tissue is made from protein and gives skin its firmness?
Collagen
What is the film that protects the skin from drying out and exposure to external factors that could damage it?
Hydrolipidic film
The average rate for ____ is 28 days in an adult and decreases with age
Cell turnover
Carries the pigment that provides the skin color
Melanosomes
What is an estheticians primary focus
Preserving, protecting, and nourishing the skin
What is the average pH of the acid mantle?
5.5
What are the muscles called that are attached to the hair follicles that cause goosebumps?
Erector Pili Muscles
The reticuliar and papillary layer are part of what?
The Dermis
This melanin type is red and yellow in color
Pheomelanin
What does the study of skin physiology and histology include?
Effect of UV damage, hormonal influences, nutrition on skin health
What cells stimulate collagen production and amino acids that form proteins to aid in healing
Fibroblasts
What can heavy sweating cause?
Loss of fluids, dehydration, loss of mineral balance needed to keep the body functioning optimally
This layer gives protective cushion, contour, and smoothness to the body and a source of energy
Subcutaneous Tissue
What influences the external factor of melanin production
Sun exposure
Estheticians who specialize in the health and beauty of skin are referred to as what?
Technicians, therapists, specialists
What is the protective barrier made up of sebum, lipids, sweat, and water
Acid mantle
The routes of penetration are through ____, _____,____, _____
Follicle walls, sebaceous glands, intercellular, transcellular
What are the layers of the Epidermis?
Stratum germinativum
Stratum spinosum
Stratum granulosum
Stratum lucidum
Stratum corneum
An enzyme that stimulates melanocytes and produces melanin?
Tyrosinase
Explain what histology is known as ____. What is it?
Microscopic Anatomy.
The study of the structure and composition of tissue.
What organelles are secreted from keratinocytes that serve as a water barrier and required for correct skin barrier function?
Lamellar Granules