HAIR STRUCTURE
2 PARTS OF HUMAN HAIR
WHAT IS THE HAIR ROOT, HAIR SHAFT?
LOWEST PART, CLUB-SHAPED, FORMS LOWER HAIR ROOT
WHAT IS THE HAIR BULB?
3 MAIN LAYERS OF HAIR SHAFT
WHAT IS THE CUTICLE, CORTEX, & MEDULLA?
PROTEIN, GROWS FROM CELLS WITHIN FOLLICLE
WHAT IS HAIR?
WEAK, PHYSICAL SIDE BOND, BROKEN BY WATER, REFORMS WHEN DRY
WHAT IS A HYDROGEN BOND?
NUMBER OF AMINO ACIDS THAT MAKE UP HAIR
WHAT IS 20?
GRAINS OF PIGMENT FOUND IN CORTEX
WHAT IS MELANIN?
STUDY OF HAIR, ITS DISEASES, CARE
WHAT IS TRICHOLOGY?
TUBE-LIKE DEPRESSION, CONTAINS HAIR ROOT
WHAT IS THE HAIR FOLLICLE?
OUTER LAYER, SCALE-LIKE, BARRIER,
WHAT IS THE CUTICLE?
HAIR IS APPROXIMATELY ____% PROTEIN
WHAT IS 90?
HYDROXIDE RELAXERS BREAK DISULFIDE BONDS, CONVERTS INTO....
WHAT IS A LANTHIONINE BOND?
CHEMICAL BOND, JOINS AMINO ACIDS
WHAT ARE PEPTIDE BONDS?
LONG COILED POLYPEPTIDES, MADE OF AMINO ACIDS
WHAT IS PROTEINS?
PROJECTS ABOVE THE EPIDERMIS
WHAT IS THE HAIR SHAFT?
MUSCLE AT BASE OF HAIR FOLLICLE
WHAT IS ARRECTOR PILI MUSCLE?
PROTEIN CORE, CONTAINS PIGMENT
WHAT IS THE CORTEX?
CELLS MATURE, FILL UP, MOVE UPWARD WITH PROTEIN CALLED....
WHAT IS KERATIN?
3 TYPE OF SIDE BONDS
WHAT ARE HYDROGEN, SALT, DISULFIDE?
COHNS
WHAT IS CARBON, OXYGEN, HYDROGEN, NITROGEN, SULFUR?
PROVIDES RED, GINGER TO YELLOW & BLONDE TONES
WHAT IS PHEOMELANIN?
HAIR, SKIN, NAILS, GLANDS
WHAT IS THE INTEGUMENTARY SYSTEM?
OIL GLANDS CONNECTED TO HAIR FOLLICLES
WHAT IS THE SEBACEOUS GLANDS?
CHEMICAL CHANGE TAKES PLACE HERE
WHAT IS THE CORTEX?
ELEMENTS THAT MAKE UP HAIR
WHAT IS CARBON, OXYGEN, HYDROGEN, NITROGEN, SULFUR?
STRONG, CHEMICAL SIDE BOND, BROKEN BY CHEMICALS
WHAT ARE DISULFIDE BONDS?
LONG CHAIN OF AMINO ACIDS, LINKED BY PEPTIDE BONDS
WHAT ARE POLYPEPTIDE CHAINS?
GIVES DARK BROWN TO BLACK COLOR
WHAT IS EUMELANIN?
LOCATED BELOW THE EPIDERMIS
WHAT IS THE HAIR ROOT?
CONE-SHAPED ELEVATION, FITS INTO HAIR BULB, CONTAINS BLOOD & NERVE SUPPLY
WHAT IS THE DERMAL PAPILLA?
NOT FOUND IN FINE, BLONDE HAIR
WHAT IS THE MEDULLA?
TRUE OR FALSE...ONCE THE HAIR EMERGES FROM THE SCALP IT IS NO LONGER LIVING.
WHAT IS TRUE?
WEAK, PHYSICAL SIDE BOND, BROKEN BY STRONG ALKALINE & ACIDIC SOLUTIONS
WHAT ARE SALT BONDS?
PROTEINS MADE OF LONG CHAINS OF......
WHAT ARE AMINO ACIDS?
DESCRIBED AS STRAIGHT, WAVY, CURLY, EXTREMELY CURLY
WHAT IS WAVE PATTERN?