Nail Structure, Growth, and Health | Fashion Institute of Technology

University:
Fashion Institute of Technology
Course:
SC 146 | Basic Chem For Cosmetic Frag
Academic year:

2022
Views:

82

Pages:

1
Author:

do3ran7ut

Nail Structure and Growth Question The appearance of the nails can reflect the general health of the body. The keratin in natural nails is softer than the keratin in hair. The water content of a healthy nail is between 5 and 10 percent. Nail plates need oxygen, vitamins, and minerals. Toenails are thicker and harder than fingernails because the toenail matrix is longer than the fingernail matrix. Ordinarily, replacement of a natural toenail takes about 4 to 6 months. The natural nail is part of what system? The water content of the natural nail directly affects the nail’s: The most visible and functional part of the nail unit is the: The nail plate is constructed of how many layers of nail cells? The part of the nail plate that extends over the tip of the finger or toe is called the: The portion of living skin that supports the nail plate is the: The nail bed contains many nerves and is attached to the nail plate with a thin layer of tissue called the: The area of the nail where the nail plate cells are formed is the: The dead, colorless tissue attached to the natural nail plate is the: The living skin at the base of the nail plate covering the matrix area is the: The slightly thickened layer of skin that lies between the fingertip and the free edge of the natural nail plate is the: The tough band of fibrous tissue that connects bones or holds an organ in place is the: Normal, healthy nails grow in a variety of shapes, depending upon the shape of the: The average rate of nail growth in the normal adult is about: A hardened keratin plate that sits on and covers the nail bed Also known as the onyx, composed mainly of keratin Fold of skin overlapping the side of the nail Visible part of the matrix that extends from underneath the living skin The slits or furrows on the sidewall of the nail Answer True False False False True False integumentary flexibility nail plate 100 Free Edge Nail Bed bed epithelium matrix cuticle eponychium hyponychium ligament matrix 1/10 inch per month Nail plate Natural nail Lateral nail fold Lunula Nail grooves