The Study of Nails Flashcards
The primary purpose of the free edge of the nail is to ________________.
protect the tip of the finger or toe
The nail bed is attached to the bone by ______________.
ligaments
Attached at the base of the nail, under the skin and inside the mantle, is the ________________.
nail root
What is the skin that touches, overlaps and surrounds the nail?
perionychium
The ____________ is a half-moon shape at the base of the nail that appears white due to a reflection of light at the point where the ________________ and ______________ meet.
lunula, nail matrix, nail bed
The active tissue that generates cells that harden as they move outward from the root the the nail is called the ____________________.
nail matrix
__________ are considered appendages of the skin.
Nails
What is the cuticle that overlaps the lunula at the base of the nail?
eponychium
What is the deep, pocket-like area that holds the root and the matrix of the nail?
mantle
The loose and pliable overlapping of skin around the nail is the ____________.
cuticle
The skin under the free-edge of the nail is the ___________________.
hyponychium
The folds of skin on either side of the nail groove are called the _______________.
nail wall
The tracks on either side of the nail that the nail moves on as it grows are called the ________________.
nail grooves
If a nail is lost due to injury and does not grow back, what nail structure has possibly been permanently damaged?
nail matrix
What is the average growth rate of nails in adults?
1/8” per month
A decrease in the rate of growth in nails can be cause by ____________________.
aging, poor nutrition, or winter months
Under normal conditions, the growth of a new nail plate takes approximately ________________.
4 - 6 months
Which nail structure consists of many nerves and blood vessels for continuous nourishment?
nail bed
Any disease, disorder or condition of the nail is called _________________.
onychosis
Nails with a sign of disease require ______________________.
referral to a physician
What are some of the diseases of the nail that are cause by fungus?
tinea pedis, tinea manus, onychomycosis
Onychia is and inflammation of the _______________.
nail matrix
Vertical lines down the nail plate that may be caused by illness or injury are called _____________.
furrows
Systemic or long-term illness or nervous disturbance can cause ______________________.
spoon nails
A healthy nail is smooth, curved, translucent, pinkish in color, and __________________.
without hollows or wavy ridges
The technical name for the disease referred to as ringworm (tinea) of the nail is __________________.
onychomycosis
Possible causes of paronychia include ___________________________________.
infected hangnail, bacterial infection, or prolonged exposure to water
___________________ appears as itching and peeling of the skin on the feet, and must be ________________.
Tinea pedis, referred to a physician