Cosmetology Chapter 7 Flashcards

Questions and Answers

The central core of the hair shaft sometimes missing in fine or very fine hair is?

The medulla

Scalp massage involves manipulations performed on the scalp to relax the muscles and stimulate?

Blood circulation

The two primary parts of hair are the hair fiber and?

Hair root

What is a step to determine if your client's hair loss may be identified as androgenic alopecia?

Ask questions about family history Signup and view all the answers

The process of hair turning gray is usually caused by?

Natural aging process Signup and view all the answers

Oil glands are attached to the side of the?

Root sheath Signup and view all the answers

Small cracks starting in the cuticle and splitting the hair entirely are known as brittle hair, fragilitas crinium, or?

Trichoptilosis (split ends) Signup and view all the answers

The muscle that causes the hair to stand on end when a person is scared or cold is known as?

Arrector pili Signup and view all the answers

If the hair is stretched and returns to its original shape without breaking, it is referred to as?

Elasticity Signup and view all the answers

The pigment that gives hair its color is found in the?

Cortex of the hair Signup and view all the answers

Sudden hair loss in round or irregular patches without the display of an inflamed scalp is called?

Alopecia areata Signup and view all the answers

Human hair grows about?

1/2 inches per month Signup and view all the answers

Dry flakes attached to the scalp or on the hair, which can appear translucent, are known as?

Pityriasis capitis simplex Signup and view all the answers

What is the active growing stage of hair?

Anagen stage Signup and view all the answers

The hair growth stage when cell division stops is?

Catagen stage Signup and view all the answers

Short, fine, non-pigmented hair that covers the whole body is called?

Vellus Signup and view all the answers

The technical term for the study of hair is?

Trichology Signup and view all the answers

The cross-section, or diameter of the hair shaft, is much larger in coarse hair than?

Fine hair Signup and view all the answers

The amount of moisture, liquid, or chemicals able to be absorbed by the hair is?

Porosity Signup and view all the answers

Red, circular patches of small blisters caused by a vegetable parasite are also known as tineas or?

Ringworm Signup and view all the answers

Lumps or swelling along the hair shaft are known as trichorrhexis nodosa or?

Knotted hair Signup and view all the answers

Avoid giving scalp massage prior to?

All of the above Signup and view all the answers

Scalp condition with excessive flaking that accumulates on the scalp or falls to the shoulders is known as dandruff and?

Pityriasis Signup and view all the answers

Catagen, the brief transitional phase, lasts for what amount of time?

Only a few weeks Signup and view all the answers

Premature shedding of hair in the resting phase can be a result of childbirth, shock, drug intake, or fever is called?

Telogen effluvium Signup and view all the answers

Hair loss caused by excessive pulling or twisting on the hair or by chemical damage is known as?

Traumatic alopecia Signup and view all the answers

Large variety of color is influenced by the amount of?

Eumelanin and pheomelanin Signup and view all the answers

What helps protect skin from becoming too dry?

Sebum Signup and view all the answers

When looking through a microscope, which portion of the hair would display living cells?

Hair bulb Signup and view all the answers

Which hair color has the highest number of hairs per square inch on the head?

Blonde hair Signup and view all the answers

A smaller diameter ponytail on female clients is a sign of?

Androgenic alopecia Signup and view all the answers

Gray hair is caused by?

Reduced color pigment in the cortex of the hair Signup and view all the answers

What scalp disease might be present when you notice dry, yellow encrusted areas on the scalp along with a peculiar odor?

Tinea favosa Signup and view all the answers

Condition when beads and nodes form on the hair shaft is called?

Moneilethrix Signup and view all the answers

The degree of coarseness or fineness of the hair fiber is referred to as?

Texture Signup and view all the answers

Located at the bottom of the follicle and supplying nourishment to the germinal matrix is the?

Papilla Signup and view all the answers

A salon professional may have to remove excess hair from where there is abnormal coverage, a condition known as?

Hypertichosis Signup and view all the answers

The active growing stage of hair lasts?

Several years Signup and view all the answers

Study Notes

Hair Structure and Growth

The medulla is the central core of the hair shaft, often absent in fine hair.
Two main components of hair include the hair fiber and hair root.
Human hair typically grows at a rate of 1/2 inch per month.
Vellus hair refers to short, fine, non-pigmented hair covering the body.

Hair Loss and Conditions

Alopecia Areata is characterized by sudden, patchy hair loss without inflammation.
Androgenic alopecia can be identified by assessing family history of hair loss.
Telogen Effluvium results in premature shedding during the resting phase, potentially triggered by childbirth, shock, or drug use.
Traumatic alopecia is caused by excessive pulling, twisting, or chemical damage to the hair.

Hair Physiology

Hair elasticity is the ability of hair to stretch and return to its original shape without breaking.
Cortex contains the pigment responsible for hair color, while eumelanin and pheomelanin influence the variety of hair colors.
The papilla at the follicle's base provides nourishment to the germinal matrix.
The hair bulb contains living cells, observable under a microscope.

Scalp Health

Scalp massage promotes blood circulation and relaxes muscles.
Pityriasis capitis simplex refers to dry flakes attached to the scalp or hair.
Tinea Favosa presents as dry, yellow encrusted areas on the scalp with an unusual odor.

Hair Texture and Health

Texture describes the degree of coarseness or fineness in hair fiber.
Hair with a larger diameter indicates coarse hair compared to fine hair.
Knotted hair, or trichorrhexis nodosa, features lumps or swelling along the hair shaft.
Porosity measures the ability of hair to absorb moisture, liquids, or chemicals.

Hair Stages

The anagen stage is the active growing phase of hair.
The transition phase, catagen, lasts only a few weeks when cell division stops.

Hair Care Recommendations

Avoid scalp massages before coloring, relaxing, or perming.
Care for scalp flaking conditions like dandruff (also known as pityrasis).

Hair Color and Characteristics

Blonde hair has the highest density of hairs per square inch on the head.
Gray hair results from a reduction of color pigment in the hair cortex.
Sebum is essential to protect skin from excessive dryness.

Hair Disorders

Moneilethrix refers to a condition where beads and nodes form on the hair shaft.
Hypertichosis involves abnormal hair growth requiring professional removal.

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Description

Test your knowledge with these flashcards covering key concepts from Chapter 7 of cosmetology. Each card focuses on essential terms and definitions related to hair structure and scalp treatment techniques. Perfect for students seeking to reinforce their understanding of cosmetology concepts!