Podcast
Questions and Answers
The central core of the hair shaft sometimes missing in fine or very fine hair is?
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?
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?
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?
What is a step to determine if your client's hair loss may be identified as androgenic alopecia?
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The process of hair turning gray is usually caused by?
The process of hair turning gray is usually caused by?
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Oil glands are attached to the side of the?
Oil glands are attached to the side of the?
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Small cracks starting in the cuticle and splitting the hair entirely are known as brittle hair, fragilitas crinium, or?
Small cracks starting in the cuticle and splitting the hair entirely are known as brittle hair, fragilitas crinium, or?
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The muscle that causes the hair to stand on end when a person is scared or cold is known as?
The muscle that causes the hair to stand on end when a person is scared or cold is known as?
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If the hair is stretched and returns to its original shape without breaking, it is referred to as?
If the hair is stretched and returns to its original shape without breaking, it is referred to as?
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The pigment that gives hair its color is found in the?
The pigment that gives hair its color is found in the?
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Sudden hair loss in round or irregular patches without the display of an inflamed scalp is called?
Sudden hair loss in round or irregular patches without the display of an inflamed scalp is called?
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Human hair grows about?
Human hair grows about?
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Dry flakes attached to the scalp or on the hair, which can appear translucent, are known as?
Dry flakes attached to the scalp or on the hair, which can appear translucent, are known as?
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What is the active growing stage of hair?
What is the active growing stage of hair?
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The hair growth stage when cell division stops is?
The hair growth stage when cell division stops is?
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Short, fine, non-pigmented hair that covers the whole body is called?
Short, fine, non-pigmented hair that covers the whole body is called?
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The technical term for the study of hair is?
The technical term for the study of hair is?
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The cross-section, or diameter of the hair shaft, is much larger in coarse hair than?
The cross-section, or diameter of the hair shaft, is much larger in coarse hair than?
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The amount of moisture, liquid, or chemicals able to be absorbed by the hair is?
The amount of moisture, liquid, or chemicals able to be absorbed by the hair is?
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Red, circular patches of small blisters caused by a vegetable parasite are also known as tineas or?
Red, circular patches of small blisters caused by a vegetable parasite are also known as tineas or?
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Lumps or swelling along the hair shaft are known as trichorrhexis nodosa or?
Lumps or swelling along the hair shaft are known as trichorrhexis nodosa or?
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Avoid giving scalp massage prior to?
Avoid giving scalp massage prior to?
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Scalp condition with excessive flaking that accumulates on the scalp or falls to the shoulders is known as dandruff and?
Scalp condition with excessive flaking that accumulates on the scalp or falls to the shoulders is known as dandruff and?
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Catagen, the brief transitional phase, lasts for what amount of time?
Catagen, the brief transitional phase, lasts for what amount of time?
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Premature shedding of hair in the resting phase can be a result of childbirth, shock, drug intake, or fever is called?
Premature shedding of hair in the resting phase can be a result of childbirth, shock, drug intake, or fever is called?
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Hair loss caused by excessive pulling or twisting on the hair or by chemical damage is known as?
Hair loss caused by excessive pulling or twisting on the hair or by chemical damage is known as?
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Large variety of color is influenced by the amount of?
Large variety of color is influenced by the amount of?
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What helps protect skin from becoming too dry?
What helps protect skin from becoming too dry?
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When looking through a microscope, which portion of the hair would display living cells?
When looking through a microscope, which portion of the hair would display living cells?
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Which hair color has the highest number of hairs per square inch on the head?
Which hair color has the highest number of hairs per square inch on the head?
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A smaller diameter ponytail on female clients is a sign of?
A smaller diameter ponytail on female clients is a sign of?
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Gray hair is caused by?
Gray hair is caused by?
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What scalp disease might be present when you notice dry, yellow encrusted areas on the scalp along with a peculiar odor?
What scalp disease might be present when you notice dry, yellow encrusted areas on the scalp along with a peculiar odor?
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Condition when beads and nodes form on the hair shaft is called?
Condition when beads and nodes form on the hair shaft is called?
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The degree of coarseness or fineness of the hair fiber is referred to as?
The degree of coarseness or fineness of the hair fiber is referred to as?
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Located at the bottom of the follicle and supplying nourishment to the germinal matrix is the?
Located at the bottom of the follicle and supplying nourishment to the germinal matrix is the?
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A salon professional may have to remove excess hair from where there is abnormal coverage, a condition known as?
A salon professional may have to remove excess hair from where there is abnormal coverage, a condition known as?
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The active growing stage of hair lasts?
The active growing stage of hair lasts?
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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.
Studying That Suits You
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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!