Podcast
Questions and Answers
What are nails composed of?
What are nails composed of?
What is the visible part of the nail called?
What is the visible part of the nail called?
Nail body
What is the portion of the nail that is not visible?
What is the portion of the nail that is not visible?
Nail root
What is another name for the cuticle?
What is another name for the cuticle?
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What is the thick white part of the nail called?
What is the thick white part of the nail called?
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What is found below the nail plate?
What is found below the nail plate?
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What extends past the finger or toe?
What extends past the finger or toe?
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What secures the nail to the fingertip?
What secures the nail to the fingertip?
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What does the nail matrix contain?
What does the nail matrix contain?
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What is a finger bone called?
What is a finger bone called?
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What is the layer of skin that supports the epidermis called?
What is the layer of skin that supports the epidermis called?
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What is the outermost layer of skin called?
What is the outermost layer of skin called?
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Study Notes
Nail Anatomy Overview
- Nails are composed of tightly packed, hard, dead keratinized epidermal cells.
- The visible part of the nail is known as the nail body.
Nail Components
- Nail Root: The portion of the nail that is not visible; located beneath the skin.
- Eponychium: Also referred to as the cuticle; it is the stratum corneum of the epidermis that overlaps the base of the nail.
- Lunula: The thick, white crescent shape at the base of the nail.
- Nail Bed: The skin located directly below the nail plate, providing support.
- Free Edge: The part of the nail that extends past the fingertip or toe.
- Hyponychium: The area that secures the nail to the fingertip, located beneath the free edge.
Nail Growth and Structure
- Nail Matrix: The epithelium located proximal to the nail root, responsible for producing new nail cells through division.
- Phalanx: Refers to the bones of the fingers; nails are tightly attached to these bones.
Skin Layers
- Dermis: The underlying layer of skin that supports and nourishes the epidermis.
- Epidermis: The outer layer of skin where the nail structure is rooted.
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Description
Test your knowledge of nail anatomy with these flashcards. Each card includes terms and definitions related to the structure and function of nails. Perfect for students in health and beauty classes or anyone interested in dermatology.
