_________ canities exists at or before birth.

_________ canities develops with age and is the result of genetics.

A variety of canities, characterized by alternating bands of gray and pigmented hair.

Fragilitis Crinium is the technical term for._______

A condition of abnormal growth of hair, example is beards on woman.

The technical term for split ends.

The technical term for beaded hair.

Technical term for dandruff.

The excessive production and accumulation of skin cells. ______

__________ is a natural occurring fungus that is present on all human skin.

A severe case of dandruff with greasy, waxy scales mixed with sebum.

A fungal infection characterized by dry, sulfur yellow, cuplike crusts on the scalp.

A parasitic infection caused by the itch mite.

Infestation of the hair and scalp with head lice ____________

Bacterial infections of the scalp are caused by __________

The technical term for a boil, localized bacterial infection of the hair follicle.

An inflammation of the subcutaneous tissue caused by staphlococci.

The thickness or diameter of each individual hair strand.

Classified as course, medium, or fine.

______ hair has the largest diameter.

__________ hair has the smallest diameter and is more fragile.

____________ hair is more resistant to processing so it requires more time.

The number of individual hair strands on one square inch of scalp is________

The density is classified as ____________

The hair's ability to absorb moisture is ____________

A study suggests that bald men are perceived as:

Oily hair and scalp can be caused by:

People with dry hair and scalp should:

Hair that forms a circular growing pattern, as on the crown of the head, is called a:

The average hair density is about how many hairs per square inch?

The shape of the hair strand is the ______________

Tinea is a _____________ infection.

Head Lice is a _________________ infection.

A helix is:

Which of the following is NOT one of the three types of side bonds of the cortex?

Which layer of hair provides a barrier that protects the inner structure of hair?

The degree of porosity is directly related to the ___________ of the cuticle layer.

Most of the total weight of hair comes from which layer of the hair?

Generally, only which type of hair contains a medulla?

The thickened, club-shaped structure that forms the lower part of the hair root is the:

The small, cone-shaped area at the base of the hair follicle that fits into the hair bulb is the:

The two parts of a mature strand of human hair are:

Unique protein structures within the cortex are responsible for the color and _____ of hair.

Resistant hair is known to have __________ porosity.

Another name for hypertrichosis is ______________.

The scientific study of hair and it's diseases

The portion of the hair that projects above the skin

Hair follicles are distributed all over the body with the exception of the

Which layer of hair consists of transparent, scalelike cells?

The cortex of the hair has a fibrous ________ core formed by cells

Most of the total weight of the hair comes from the _____ layer.

Vellus hair is also known as ,

Polypeptide chains are cross linked like rungs on a ladder by three different types of ______ bonds

Disulfide bonds account for ___ of the hair's overall strength

________ provides hair colors ranging from brown to black

How many hair growth treatments are approved by the FDA for sale in the U.S.?

______ is a topical medication used for hair loss.