all mixed up
hair structure
bond,James bond skin diseases
hair we grow
color me
100
the system that the hair,skin, nails and glands a part of
What is the integument system
100
the pocket or tube like depression in the scalp that contains the hair root is the
What is the follicle
100
name the three different types of side bonds are
What are hydrogen, salt and disulfide bonds bonus question... how are each broken??
100
hair shaft that emerges from the scalp is a non living fiber composed of this
What is keratinized protein
100
all natural hair color is the result of pigment located in teh cortex called this
What is melanin
200
these are units of structure that build protein and are joined together like end to end pop beads
What are amino acids
200
The thickened club like structure that forms the lower part of the hair root
What is the hair bulb
200
A weak, physical side bond broken by changes in pH is this
What is salt bonds
200
three growth cycles of human hair are
What is anagen , catagen and telogen
200
the melanin that provides the black or brown to hair color is called
What is eumelanin
300
fungus that causes dandruff
What is malassezia
300
a small cone-shaped area located at the base of the hair follicle that fits into the hair bulb
What is derma papilla
300
tinea is characterized by itching scales and sometimes painful circular lesions and is caused by this
What are fungal organisms
300
the resting or final phase of the hair cycle that lasts until the fully grown hair is shed is called this
What is the telogen phase
300
technical term for grey hair
What is canities
400
sever dandruff characterized by itching scales and sometimes painful circular lesions and is caused by
What is pityriasis steatoids
400
length wise section of hair shows that the cuticle scales overlap and each individual scale is attached to this
What is the cortex
400
this is a highly contageous skin disease caused by a parasite called a mite
What is scabies
400
hair flowing in the same direction
What is a hair stream
400
the measurement that describes the number of individual strands on one square inch of the scalp is called this
What is density
500
this scalp disorder is characterized by dry,sulfur-yellow , cup like crusts is called this
What is tinea favosa
500
hair is composed of protein that grows from cells originating withing the
What is the hair follicle
500
this is an acute,localized bacterial infection of the hair follicle that produces constant pain
What is furuncle
500
the sudden falling out of hair in round patches or baldness in spots is called this
What is alopecia areata
500
melanin that provides blond or red to the hair is this
What is pheomelanin
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