Chapter 7: Skin structure, growth, and Nutrition. Milady's Cosmetology.

Stratum germinativeum

(Basal cell layer) is the deepest layer of the epidermis and is composed of several layers of differently shaped cells and pigments.

Stratum Corneum

(Horney layer) the outer layer of the epidermis. Scale-like cells are continually being shed and replaced by cells coming to the surface from the underneath.

Sudoriterous Glands

(Sweat glands) excrete perspiration and detoxify the body by excreting excess salt and unwanted chemicals.

Subcutaneous Glands

Aka: adipose tissue or subcutis tissue. The fatty tissue found below the dermis.

Dermis

Aka: derma, corium, cutis, or true skin.

Thinnest skin on the body

Eyelids or skin around the eyes

Elastin

When we age the body stops producing this

The 6 Principle functions of the skin

Protection, sensation, heat regulation, excretion, secretion, and absorption.

Secretory Nerve Fibers

Regulate the excretion of perspiration from the sedoferous glands and control the flow of sebum to the surface of the skin.

Stratum Lucidum

The clear transparent layer underneath the stratum Corneum. It consists of small cells through which light can pass through.

Fingertips

The most abundance of nerve endings are found in the:

Thickest skin can be found where?

The palms of the hands and the soles of the feet

Dehydration will slow down the metabolism as much as _%

3

Cuticle

Another name for the epidermis

The sensory nerve endings in the skin control:

Cold, pain, touch, heat, and pressure.

The Motor Nerve Fibers

Distributed to the arrector pilli muscles attached to the hair follicles. They carry impulses from the brain to the muscles. (Causes goosebumps)

Dermatology

Medical branch of science that is the study of skin, it's nature and structure, functions, disease, and treatment.

The dermis has two layers:

Papillary and reticular

Vitamins

Play and important role in the skins health and fighting diseases.

Suborifenous and sebaceous glands

The two types of duct glands that extract materials from the blood to form new substances.