nail disorders
vertical lines running down the length of the natural nail plate caused by uneven growth of the nails
ridges
what is the water content of the natural nail
15%-25%
is an inflammation of the nail matrix followed by shedding of the natural nail
onychia
when do nails grow the fastest?
summer
what is the technical term for nails?
onyx
is darkening of the fingernails or toenails
melononychia
what is a normal healthy nail?
firm but flexible, shiny, smooth and un spotted
what are parasites that may cause infections of the feet and hands?
fungi
what can affect nail growth?
age
the part of the nail plate that extends over the tip of the finger or toe
free edge
also known as a folded nail, caused by injury to the matrix but may be inherited
what is the lateral nail fold?
also known as the side wall, the skin fold overlapping the nails side
is the fungal infection of the natural nail plate
1/10-1/8
the visible part of the matrix the extends from underneath the living skin is called
lunula
as known as trumpet nail, the nail can curl in on itself
pincer nail
what does the nail plate protect?
fingertips and toes
known as ingrown nails, grows into the sides of the living tissue around the nail
onychocryptosis
why does pregnancy have a dramatic affect on nail growth?
hormone changes
what is the thin tissue that is connected to the nail bed?
bed epithelium
also known as white spots, are whitish discolorations of the nail usually caused by minor injury to the nail matrix
leukonychia spots
what is the definition of a natural nail?
the hard protective plate composed mainly of keratin the fiber shaped protein found in skin and hair
lifting of the nail plate from the bed without shedding, also an result of allergic reaction of the nail bed
onycholysis
if the nail is in an abnormal shape or form its called
nail malformation
list the 9 nail units
nail plate, nail bed, matrix, cuticle, eponychium, perionychium, hyponychium, specialized ligaments and nail folds