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Side Bonds of the Cortex
Hair Growth
Composition Of Hair
Hair Loss
Disorders Of Hair
100
easily broken by water or heat
What are hydrogen bonds
100
about 90% of scalp hair is in this phase
What is anagen phase
100
fibrous protein
What is keratin
100
abnormal hair loss is called...
What is alopecia
100
gray hair
What is canities
200
easily broken by strong alkaline or acidic solutions
What are salt bonds
200
short, fine, unpigmented & downy hair that appears on the body
What is vellus hair
200
the major elements that make up human hair are...
What is COHNS elements. Carbon Oxygen Hydrogen Nitrogen Sulfur
200
usually begins with 1 or more small, round, smooth bald patches on the scalp
What is alopecia areata
200
alternating bands of gray & pigmented hair
What is ringed hair
300
strong, chemical, side bond that joins the sulfur atoms of two neighboring cysteine amino acids to create one cystine
What are disulfide bonds
300
long, coarse, pigmented hair found on the scalp, legs, arms & bodies of males and females
What is terminal hair
300
proteins are made of long chains of...
What is amino acids
300
total scalp hair loss
What is alopecia totalis
300
split ends
What is trichoptilosis
400
hydroxide chemical hair relaxers break disulfide bonds & convert them to ... when the relaxer is rinsed from the hair
What is lanthionine bonds
400
the brief transition period between the growth & resting phases of a hair follicle
What is catagen phase
400
long, coiled complex polypeptides made of amino acids
What is proteins
400
complete body hair loss
What is alopecia universalis
400
brittle hair
What is fragilitas crinium
500
a weak, physical, cross link side bond between adjacent polypeptide chains
What is salt bonds
500
the resting phase & final phase in the hair cycle, lasts until the fully grown hair is shed
What is telogen phase
500
spiral shape of a coiled protein is called
What is a helix
500
temporary hair loss experienced at the end of a pregnancy and sometimes up to 12 months after.
What is postpartum alopecia
500
knotted hair
What is trichorrhexis nodosa