Nail structure Flashcards
What is the primary function of the nail plate?
To protect the living nail bed of the fingers and toes.
What is the significance of the nail matrix?
It’s the growth area of the nail, responsible for producing new nail cells.
Describe the role of the lunula in nail structure.
The lunula, a crescent-shaped area at the base of the nail, indicates the size of the underlying matrix.
What is the purpose of the nail bed?
To supply nourishment and protection to the nail.
Explain the function of the free edge of the nail.
To protect the tip of the fingers and toes and the hyponychium.
How does the nail mantle contribute to nail health?
It protects the matrix from physical damage.
What is the function of the hyponychium?
To protect the nail bed from infection by forming a waterproof barrier.
Describe the nail grooves’ role in nail growth.
They guide the body of the nail plate as it grows forward over the nail bed.
What is the function of the perionychium?
To protect the nail bed from infection by forming a waterproof barrier.
Explain the role of the eponychium.
To protect the matrix from infection by preventing dirt and bacteria from getting underneath the nail plate.
What is the purpose of the cuticle on the nail?
To protect the matrix and nail bed from infection.
How does the structure of the nail plate support its function?
It is composed of compact layers of keratinized cells, providing strength and protection to the nail bed.
