Chapter 11 Cosmetology

The study of hair is technically called ____.

The technical term for the hair found on the face is known as ____.

One basic requisite for healthy hair is a ____.

Full-grown human hair is divided into two principal parts which are known as the hair root and ____.

The technical term for hair found on the head is ____ hair.

A tube-like depression or pocket in the skin or scalp that encases the hair root is called the ___.

The thickened, club-shaped structure that forms the lower part of the hair root is known as the ____.

The small involuntary muscle attached to the underside of the hair follicle is called the ___.

Fear or cold causes the ____ to contract, which makes the hair stand up straight, giving the appearance of goose bumps.

Oil glands which consist of a sac-like structure in the dermis are the ____ glands.

An oily substance secreted from the sabaceous glands which keeps the skin soft and supple is ____.

Hair is composed of cells arranged in ____ layers.

The outermost layer of the hair is called the ____.

The cuticle layer of the hair can be raised by ____.

The two most common types of ____ infections are furuncles and carbuncles.

The ____ is the middle layer of the hairwhich gives elasticity.

The ____ is that portion of the hair that projects beyond the skin.

The ____ is the portion of the hair that is located below the surface of the scalp.

The small cone-shaped area located at the base of the follicle is the ____.

The average growth of healthy hair on the scalp is about ____ inch (cm) per month.

Hair flowing in the same direction is known as ____.

Cross-sections of straight hair tend to be ____.

Hair is composed of protein that grows from cells originating within the hair follicle. They mature in a process called ____.

Cross-sections of curly hair tend to be ____.

Qualities by which human hair is analyzed are texture, density, ____, ____.

The ability of the hair to stretch and return to its original form is _____.

The ability of the hair to absorb moisture is known as ____.

Hair is composed of protein that grows from ____ originating within the hair follicle.

Hair is approximately ____ protein.

The technical term for the most common type of hair loss is ____.

Hair protein is made up of long chains of _____, which are made up of elements.

A long chain of amino acids linked by peptide bonds is called a ____ chain.

A ____ bond is physical side bond that is easily broken by water or heat.

Minoxidil is a ____ medication applied to the scalp to stimulate hair growth.

The technical term for gray/ unpigmented hair is ____.

Salt bonds are easily broken by strong ____ or ____ solutions.

An abnormal development of hair on areas of the body that normally bear only downy hair is known as ____ or hirsutism.

The technical term for split hair ends is ____.

Trichorrhexis nodosa, or knotted hair, is the dry, brittle condition including formation of ____ swellings along the hair shaft.

The technical term for beaded hair is ____, which may be improved with scalp and hair treatments.

Fragilitas crinium is the technical term for ____ hair that may split at any part of its length.

A ____ bond joins the sulfur atoms of two neighboring amino acids.

Pityriasis is the medical term for ____.

Two different types of malanin are ____ and pheomelanin.

The two principals types of dandruff include pityraisis capitis ____ (the dry type) and pityriasis ____ (the greasy or waxy type).

Honeycomb ringworm is characterized by dry, sulfur-yellow, cup-like crusts on the scalp called ____.

____ is a highly contagious, animal parasitic skin disease caused by the itch mite.

A contagious condition caused by the head louse is ____ capitis.

A furuncle, or ____, is an acute localized bacterial infection of a hair follicle.

A ____ is the result of an acute staphylococci infection and is larger than a furuncle.