hair
What is the middle layer of the hair classified as?
Cortex
Refers to the shape of the hair strand and is described as straight, wavy, curly, and extremely curly
Wave pattern
A weak, physical side bond, which cross-links the polypeptide chains, but reacts to changes in PH
Salt bond
What are the 3 types of side bonds
Hydrogen, salt, disulfide
What is the part of the hair that extends down to the deeper layers of the skin?
hair root
Consist of small, saclike structures with ducts that are attached to each hair follicle
Sebaceous gland
What is the innermost layer of the hair?
Medulla
What are the three layers of the hair shaft?
Cuticle, Cortex, Medulla
What wave type has an elliptical cross section shape?
Extremely curly hair
tiny grains of pigement in the cortex that give natural color to the hair
Melanin