What is a highly contagious skin disease caused by a parasite called a mite?

What is the technical term for gray hair?

What severe form of dandruff is accompanied by redness and inflammation?

A weak, physical, cross-link side bond between adjacent polypeptide chains that is broken by changes in pH is a _____ bond.

What is the outermost layer of hair?

What is the technical term for brittle hair?

Hydroxide chemical relaxers break disulfide bonds and convert them to _____ bonds.

What substances are comprised of long, coiled, complex polypeptides made of amino acids?

The thickness or diameter of the individual hair strand is referred to as hair _____.

What part of the hair is located below the surface of the epidermis?

What is the resting phase or final phase of the hair cycle that lasts until the fully grown hair is shed?

The hair, skin, nails, and glands are part of the _____ system.

The fibrous protein core formed by elongated cells that contains melanin pigment is the _____.

Vellus hair is also known as _____ hair.

The condition of abnormal hair growth of terminal hair is referred to as _____.

What type of hair is short, fine, unpigmented, and downy?

What structures contain the blood and nerve supply that provide the nutrients needed for hair growth?

All natural hair color is the result of pigment called _____.

What is the technical term for beaded hair?

Which layer of the hair shaft creates the shine and the smooth, silky feel of healthy hair?

The pigment that provides brown or black color to hair is _____.

Which type of hair has the largest diameter and usually requires more processing?

The ability of hair to stretch and return to its original length without breaking is referred to as hair _____.

What term refers to the shape of the hair strand?

Which term refers to a layer that protects the hair from penetration and prevents damage to hair fibers?

What is a condition that is characterized by brittleness and the formation of nodular swellings along the hair shaft?

The sudden falling out of hair in round patches or baldness in spots is known as _____.

Hair is composed of protein that grows from cells originating within the _____.

What term refers to the scientific study of hair and its diseases and care?

The changes involved in oxidation haircoloring, wet setting, thermal styling, permanent waving, and chemical hair relaxing take place within the _____.

A lengthwise section of hair shows that cuticle scales overlap and each individual cuticle scale is attached to the _____.

The ability of the hair to absorb moisture is hair _____.

The major elements that make up human hair are carbon, oxygen, hydrogen, nitrogen, and sulfur, often referred to as _____.

What is a severe type of dandruff characterized by an accumulation of greasy or waxy scalp scales mixed with sebum?

The units of structure that build protein and are joined together end to end like pop beads are _____.

The thickened, club-like structure that forms the lower part of the hair root is the _____.

What term refers to an infestation of the hair and scalp with head lice?

Trichoptilosis is the technical term for _____.

What is the medical term used to describe dandruff?

Hair flowing in the same direction, as the result of follicles sloping in the same direction, is known as a _____.

The measurement that describes the number of individual hair strands on one square inch of the scalp is hair _____.

The Greek word trichos means _____.

The substance secreted by the sebaceous glands is called _____.

Hair is approximately _____ percent protein.

What is the medical term for ringworm?

Temporary hair loss experienced at the end of a pregnancy is called _____.

The small, involuntary muscle fiber in the base of the hair follicle is the _____.

The pocket or tube-like depression in the scalp or skin that contains the hair root is the hair _____.

What is a scalp disorder characterized by dry, sulfur-yellow, cup-like crusts on the scalp?

The growth cycles of hair are _______________.