Trichology

The number of individual hair strands on one square inch of the scalp indicates hair _____.

What substances in the cortex gives natural color to the hair?

In the makeup of normal human hair, what COHNS elements is present in the lowest percentage?

Long, coarse, pigmented hair found on the scalp, legs, arms and body is known as _______

Canities is the technical term for ______.

The main layers of the hair shaft are the _______.

What treatment has been scientifically proven to increase hair growth and is approved for that purpose by the FDA?

What is the technical term for a boil- an acute, localized bacterial infection of the hair follicle?

Normal hair contains ____ percent of the element oxygen.

What contagious condition is caused by head lice?

What small involuntary muscle is attached to the underside of a hair follicle?

What structure in the skin or scalp encases a hair root?

A mature strand of human hair is divided into two principal parts known as the _______

Short, fine, downy unpigmented hair is known as _____ hair.

Monilethrix is the technical term for ______.

The chemical bond that joins the amino acids to each other is called a ______

When a client exhibits signs of ______, salon services should refer the client to a physican.

What is the lowest part of the hair strand?

What place on the body would normally include vellus hair?

Hair with low porosity is considered _______.

What term refers to an infection of the hair follicles frequently caused by staphylococcus or other bacteria?

The study of hair is known as ______.

In the cortex, a side bond that is easily broken by strong alkaline or acidic solutions is called a _____ bond.

What structure is described as a small, cone shaped elevation located at the bottom of the hair follicle?

Hair that forms a circular pattern is called a ____.

The techincal term for hair that is in a dry, brittle condition with nodular swellings along the hair shaft is _____.

Oil glands of the skin, connected to the hair follicles, are known as ______.

Hair texture refers to the ______ of the hair.

The loss of hair in round or irregular patches without inflammation is known as _____.

Of the 20 amino acids that make up hair, a person must obtain ____ of the essential amino acids from daily diet.

All hair follicles have the same structure and cycle through the same three phases, which are ___ , ______, ______.

The cortex contains coloring matter in the form of minute grains of ____, or pigment

As newly formed cells, mature, the fill up with a fibrous ____, the move upward, lose their nucleus, and die.

Normal hair contains ____, percent of the element carbon.

The shape of a hair strand, described as straight, wavy, curly or extremely curly is known as _______.

Pheomelanin provides natural hair colors from _____ to yellow and blond tones.

What type of hair is caused by the absence of melanin?

The strength of the side bond that hold the hair's individual fibers in place is indicated by hair _______.

The technical term for split ends is ________.

A scalp condition characterized by red papules or spots at the opening of hair follicles is _____.