Salon Fundamentals Esthetics Ch. 8.1

Skin physiology

Skin histology

Integumentary system

Dermatology

Dermatologist

Functions of the skin

Pores

Hair follicle

Protection

Absorption

Secretion

Sebum

Excretion

Regulation

Sensation

Three main layers of the skin

Epidermis, dermis, subcutaneous

Keratin

Hard keratin

Soft keratin

Epidermis

Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum germinativum

Stratum corneum

Keratinization

Desmosomes

Squamous cells

Stratum lucidum

Stratum granulosum

Organelles

Stratum spinosum

Langerhans cells

Antigens

T-cells

Stratum germinativum

Hemidesmosomes

Merkel cells

Melanocytes

Melanosomes

Dermis

Fibroblast cells

Collagen

Elastin

Mast cells

Respond to allergies by releasing histamines

Papillary dermis

Reticular dermis

Sudoriferous glands

Two types of sweat glands

Apocrine glands

Eccrine glands

Endocrine glands

Exocrine glands

Thermoregulation

Sebaceous glands

Sebum

Androgen

Acid mantle

Subcutaneous layer

Adipocytes

Macrophages

Lymphocytes

Microphages

Fight infection

Pain receptors

Thermoreceptors

Mechanoreceptors

Tactile receptors

Meissner's corpuscles

Pacinian corpuscles

Krause's end bulbs

Epithelial cells

Keratinocytes

Melanocytes

Fibroblast cells

Langerhans cells

Desmosomes

Hemidesmosomes

Merkel cells