Properties
Short, fine, unpigmented downy hair that appears on the body, with the exception of the palms of the hands and the soles of the feet.
What is vellus hair?
The technical term for dandruff; characterized by excessive production and accumulation of skin cells.
What is pityriasis?
Number of individual hair strands on 1 square inch (2.5 square centimeters) of scalp.
What is hair density?
The lowest part of a hair strand; the thickened, club-shaped structure that forms the lower part of the hair root.
What is a hair bulb?
The lowest part of a hair strand; the thickened, club-shaped structure that forms the lower part of the hair root.
What is a hair bulb?
A fungal infection characterized by dry, sulfur-yellow, cup-like crusts on the scalp called scutula.
What is tinea favosa?
Temporary hair loss experienced at the conclusion of a pregnancy.
What is postpartum alopecia?
Bonds that cross-link the polypeptide chains together and are responsible for the extreme strength and elasticity of human hair.
What is a side bonds?
Abnormal hair loss
What is alopecia?
A tuff of hair that stands straight up.
What is a cowlick?
An inflammation of the subcutaneous tissue caused by staphylococci; similar to a furuncle but larger.
What is a carbuncle?
Hair flowing in the same direction, resulting from follicles sloping in the same direction.
What is hair stream?
A long chain of amino acids linked by peptide bonds.
What is a polypeptide chain?
The shape of the hair strands; described as straight, wavy, curly, and extremely curly.
What is a wave pattern?
The ability of the hair to stretch and return to its original length without breaking.
What is hair elasticity?
Technical term for gray hair; loss of hair's nature melanin pigment.
What is canities
Naturally resistant to being penetrated by moisture.
What is hydrophobic?
Infestation of the hair and scalp with head lice.
What is pediculosis capitis?
Middle layer of the hair; a fibrous protein core formed by elongated cells containing melanin pigment.
What is the cortex?
The scientific study of hair and its diseases and care.
What is trichology?
Total loss of scalp hair.
What is alopecia totalis?
Chemical bond that joins amino acids to each other, end to end, to form a polypeptide chain.
What is a peptide bond?
A severe case of dandruff characterized by an accumulation of greasy or waxy scales mixed with sebum, that stick to the scalp in crusts.
What is pityriasis steatoides?
A long chain of amino acids liked by peptide bonds.
What is a polypeptide chain?
Dry, sulfur-yellow, cup-like crusts on the scalp in tinea favosa or tinea favus.
What is a scatula?