Nail Structure and Growth Quiz

Questions and Answers

What is the natural nail?

The hard protective plate located at the end of the finger or toe.

What is the technical term for the natural nail?

Onyx

What is the nail plate?

The hardened keratin plate that sits on top of the underlying nail bed.

What is the free edge of the nail?

The part of the nail plate that extends over the tip of the finger or toe. Signup and view all the answers

What does the nail bed refer to?

The portion of living skin that supports the nail plate as it grows towards the free edge. Signup and view all the answers

What is the bed epithelium?

A thin layer of tissue between the nail plate and the nail bed. Signup and view all the answers

What is the matrix in terms of nail structure?

The area that the nail plate cells are formed. Signup and view all the answers

What is the lunula?

Whitish, half-moon shape underneath the base of the nail. Signup and view all the answers

What is the cuticle?

Dead, colorless tissue attached to the nail plate. Signup and view all the answers

What does the eponychium refer to?

The living skin at the base of the nail plate covering the matrix area. Signup and view all the answers

What is the hyponychium?

The slightly thickened layer of skin that lies between the fingertip and the free edge of the nail plate. Signup and view all the answers

What are nail folds?

Folds of normal skin that surround the nail plate. Signup and view all the answers

Study Notes

Nail Structure and Growth

Natural Nail: A hard protective plate at the end of fingers or toes, essential for protection and function.
Onyx: The technical name for the natural nail, highlighting its biological significance.
Nail Plate: Comprised of hardened keratin, this plate is crucial as it forms the visible part of the nail and sits atop the nail bed.
Free Edge: The portion of the nail plate that extends beyond the fingertip or toe, often subject to wear and environmental factors.
Nail Bed: Living skin that supports the nail plate's growth towards the free edge, vital for nail health and attachment.
Bed Epithelium: A thin tissue layer located between the nail plate and nail bed, providing a protective interface.
Matrix: The area where nail plate cells are generated; plays a critical role in nail growth and health.
Lunula: A visible whitish area at the base of the nail, representing the matrix's underlying structure's health.
Cuticle: Dead, colorless tissue that adheres to the nail plate, important for sealing the area and protecting against infection.
Eponychium: The living skin located at the base of the nail plate, safeguarding the matrix from external elements.
Hyponychium: A thicker skin layer beneath the free edge, providing additional protection to the nail's underside.
Nail Folds: Skin folds that encase the sides of the nail plate, contributing to its structure and protection from injury.

Description

Test your knowledge on nail anatomy and the growth process in this informative quiz. Dive into the details of each nail component, including the matrix and lunula, and understand their functions. Perfect for students in cosmetology or nail care studies.