Nail Anatamoy Flashcards
Why should cosmetologists have a thorough understanding of nail structure and growth
Be able to differentiate between cuticle and eponychium before services
Why should cosmetologist be knowledgeable about nail structure and growth?
Understanding, growth, cycles and natural nail structure prepares for nail services
What does the natural nail include?
All parts of the finger from tip to first knuckle
The natural nail is technically called what?
The onyx
What is the fiber shaped protein that mainly makes up the natural nail?
Keratin
Identify a characteristic of a healthy nail
The nail is translucent and slightly pink showing through from the nail bed
The nail bed, nail fold, eponychium, paronychium, and hyponychium are collectively called what?
Perionychium
What is the whole skin flap that covers the matrix from the visible nail plate’s edge to the first joint of the finger or toe.
Proximal nail fold (PNF)
What is the section of living skin that supports the nail plate as it extends toward the free edge?
Nail bed (sterile matrix)
Which of the following statements is true of the nail plate?
The hardened keratin plate that rests on top of the nail bed
What is part of the natural nail that contains nerves, blood vessels and lymph to nourish cells that differentiate and become Careyes to form the nail plate?
Matrix
What is the Lanula?
Whitish, half moon shape under the nail plate
What is the difference between the cuticle and the eponychium?
The cuticle is dead tissue stuck to the nail plate
The eponychium is living skin under the PNF found at the nail plate covering the matrix
What is the function of the hyponychium?
It helps form a protective barrier, preventing microorganisms from infecting or invading the nail
What is the tough band of fibrous tissue that links bones or keeps an organ in place called?
Ligament