Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Chapter 9 Miladys
Properties of the Hair and Scalp
| Question | Answer |
|---|---|
| What is Trichology? | The study of hair and it's diseases and care |
| What are 2 main parts that full grown human hair is divided into? | Hair Root & Hair Shaft |
| Arrector Pili | A tiny, involuntary muscle in the base of the hair follicle. Responsible for goosebumps. |
| A small, cone-shaped elevation located at the bottom of the hair follicle. | Dermal Papilla |
| A tube-like depression/pocket in the skin/scalp containing hair root. | Follicle |
| Lowest area or part of hair strand. Club-shaped structure that forms in the lower part of the hair root. | Hair Bulb |
| Oil glands are also known as ____________ ____________ and are connected to hair follicles. | Sebaceous Glands |
| The cells that make up hair are divided into 3 layers: | Cuticle- Outtermost Cortex- Middle Layer- contains melanin Medulla- Innermost layer |
| What are the 3 phases that all hair follicles cycle through? | Anagen- Growth Phase Catagen- Brief Transistion Period Telogen- Resting Phase |
| Hair that forms in a circular patter, as on the crown | Whorl |
| Ability of hair to absorb moisture | Porosity |
| Elasticity | Ability of the hair to stretch and return to its original length without breaking |
| Texture | Refers to the degree of coarseness or fineness of the hair |
| The sudden loss of hair in round or irregular patches without inflammation is called what? | Alopecia Areata |
| What is Trichorrehexis Nodosa | "Knotted Hair" |
| Element in Normal Hair: a)Nitrogen b)Hydrogen c)Oxygen d)Carbon | a)17% b)6% c)21% d)51% |
| A side bond that is easily broken by strong alkaline or acidic solutions is called a ____________ bond | disulfide |
| Amount of movement in hair strand. Referred to as straight, wavy, curly or extra curly | Wave Pattern |
| Vellus Hair | short, fine, unpigmented, downy hair on the body |
| Technical term for gray hair | canities |
| Technical term for split ends | Trichoptlosis |
| "Beaded Hair" is known as | Monilethrix |
| Fungal infection of scalp- Red papules or spots at opening of hair follicles | Tinea Capitis |
| Technical term for Lice | Pediculosis Capitis |
| What is the part of the hair located below the surface of the scalp called? | Hair root |
| What is the portion of the hair that projects above the skin called? | Hair Shaft |
| What are the six main structures of the hair? | Hair follicle, Arrector Pili, Sebaceous gland, Dermal Papilla, Hair bulb and Hair root |
| Layer of the hair that consists of transparent scale like cells that resemble the shingles on a roof | Cuticle |
| What layer of hair only exists in coarser hair textures? | Medulla |
| What are proteins made of? | Amino Acids |
| What type of bonds link amino acids together? | Peptide bonds |
| What are three types of side bonds? | Salt, Hydrogen and Disulfide |
| What type of melanin provides black and brown color to the hair? | Eumelanin |
| What type of melanin provides red and ginger to yellow and blonde tones to the hair? | Pheomelanin |
| What side bond is weakest? | Hydrogen |
| What side bond is strongest? | Disulfide |
Created by:
jaskam22
Popular Miscellaneous sets