Hair abnormality
1. Abnormalities hair luxuriance
a. HypertrichosisThis is hair growth thicker than normal. Iasanya a congenital abnormality. In males may be associated with hair growth at the back and in the chest. In women occur pertumbukan mustache and beard. Hypertrichosis in women is called hirsutism.
b. HypotrichosisIt is a disorder characterized by less bushy hair growth.
2. Hair fungal infections
Tinea capitis not only on the scalp affected by fungus, but often the fungus grows hair in areas of infection. In the hair shaft fungi can grow only on the surface only (ectothrix) infiltrated into the skin or hair (endothrix). Horn substance hair becomes damaged and brittle hair. At piedra (trychosporosis) mushroom menenbus hair cuticle, grow in a circle to form the vertices of the black or gray, hard and can not be pulled off. Before the knot apart, the hair must first be broken.
3. Infection hair because insects
Pediculosis capitis: Hair infection by head lice (Pediculus capitis), usually due to direct contact. Head lice repellent now being implemented with D.DT. or gameksan 1-2% mixed with talc, xylol, gasoline-bensoat, Eurax. Head lice eggs can be removed from the hair by wetting the hair with a solution of concentrated vinegar, dibiyarkan for one night and the next esuk hair washed and combed with a comb serit.
4. Abnormalities karenan hair horn substance
a. TrichoptilosisThe ends of the hair split lengthwise. This disorder can occur constitutionally, because nutritional disorders, due to heat, chemicals, or due to mechanical stimuli.
b. Pearl disease or trichorrhexis nodosaPearl disease found on the parts that thicken the hair shaft-part color .Part younger and there are substances-piece horn section is fragmented, until brittle hair. If the hair is broken, frayed edges such as brushes to paint. Thus hair, as if segmented like bamboo, known as the '' bamboo hair ''. Damage horn substance may occur due to causes mechanical (sikar hard tipped hairs), causes thermal (dry heat) or chemical causes (shampoo very leachate, bleaching).c. TrichoclasiaAt this keadakan hair brittle, due to declining quality horn substance. Trichoclasia among other things, the pearl disease.
5. Abnormalities of hair by hair bulb abnormalities
a. Pill anulati (Ringed hair)Hair shows parts dark and pale alternately. In the pale hair medulla contains many air bubbles.
b. MonilethrixHair has sections which are widened bloated interrupted with portions thinner. Medulle part puffy hair bubbly fair sex, so brittle hair in these parts. Abnormalities been copied temurunkan.
c. Pili tortiHair grows twisted along the length of the hair shaft.
d. TrichonodosisOn the hair knots are true or shape that resembles the knot. This occurs because the hair before the arrest of the skin tissue is more rigid and hard, while the hair shaft will menenbus out the skin.
6. Canities or poliosis
Poliosis with canities or hair becomes uban.Perubahan intended change of hair color into a gray or white occurs karenan decreasing or eliminating the hair in the scalp skin. This can occur as a congenital defect or diproleh lifetime.
a. Canities congenitalis: keadakan these birth defects occur. Sparse covering of hair on the head of albinism. More often found canities congenitalis covering se-curls alone. This nature-temurunkan been copied.
b. Canities acquisita: gray or white hair into a lifetime.This dpat take place quickly orslowly:
- Canities Senile: changing the hair becomes gray because of old age. In old age biologic processes retreat, also the activity of melanocytes in the hair bulb.
- Canities praematura: change into gray hair began at a young age, so at the age of 25-30 years the whole head of hair has become gray. Nature-temurunkan so often been copied.
- Canities areata: to invent changing into gray hair on satudaerah only. It often accompanies alopecia areata were recovered.
7. Trihotillomania
On this disorder the patient has a desire or feel the urge to rub or unplugging and pull her hair, so that the result often is alopecia.
By: klara ...
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