Structures of Nail Prepared By: Ma’am Rosalie Painaga Objectives Identify the parts of the nail. Discuss the importance of the nails. Express one’s creativity in drawing nail structures. 01 02 03 Basic Information About Nail Nail is a plate of Keratin that lies on the tips of the fingers and toes. The main purpose of the nail is to protect the fingers and toes, however, the fingernail also assists with certain physical activities in daily life. Fingernail Anatomy Structure of Nail 1. Lunula The pearly coloured and crescent shaped is due to cells being pushed closely together, the blood capillaries cannot be seen through the lunula because of this. 2. Cuticle The overlapping epidermis around the nail. It is the transparent skin, which is called the ‘true cuticle’ that is removed during the manicuring process. 3. Free Edge The part of the nail that can be filed and shaped. It is an extension of the nail plate that overlaps the hyponchium.. 4. Matrix The only living reproducing part of the nail. This is situated directly below the cuticle. New form here and continually pushed towards to produce the nail plate. It also contains blodd vessels and nerves. Blood supply provides the cells with nourishment. If the matrix is damaged the nail will grow deformed. 5. Nail Bed The part of the nail where the nail plate rests on, also a continuation of the matrix. It is abundantly supplied with blood vessels and nerves, having numerous parallel ridges which dovetail exactly with he ridges on the undersurface of the nail plate. 6. Nail walls The folds of the skin that overlap the sides of the nail. They hold your nail in place and protect the nail plate edges. 7. Nail Plate Is visible nail that rest on the nail bed up to the free edge. This is made up from dead cells and minimum amount of moisture. This nail is semitransparent, allowing the color of blood supply of the dermis to show. What is a plate of keratin that lies on the tips of the fingers and toes? answer: Nail The part of the nail where the nail plate rests on is called? answer: Nail Bed What is the part of the nail that extend over the tip of the finger or toe? answer: Free Edge The overlapping epidermis around the skin is called? answer: Cuticle New cells form here and continually push towards to produce the nail plate. answer: Matrix The folds of the skin that overlaps the sides of the nail. answer: Nail Wall It is the visible part of nail that rests on the nail bed up to the free edge. answer: Nail plate The pearly coloured and crescent shape in the nail is called? answer: Lunula 3. 2. 1. Mars 6. 5. Saturn 7. 4. Application: Draw the nail and label its parts. Short Quizz: Matching Type Direction: Match the description in column A to the words in column B. Write the letter of the correct answer. A. 1. A plate of keratin that lies on the tips of the fingers and toes. 2. The part of the nail that extend over the tip of the finger or toe. 3. The overlapping epidermis around the nail. 4. It is the visible part of nail that rests on the nail bed up to the free edge. 5. The pearly coloured and crescent shape in the nail. 6. New cells form here and continually push towards to produce the nail plate. 7. The part of the nail where the nail plate rests on. 8. The folds of the skin that overlaps the sides of the nail. B. a. Nail plate b. Matrix c. Lunula d. Nail walls e. Nail f. Free edge g. Nail bed h. Cuticle Thank you for listening. Please keep this slide for attribution