Nail Anatomy and Functions

This video tutorial provides an in-depth look at nail anatomy, focusing on the nine basic parts of the nail unit: the nail plate, nail bed, matrix, cuticle, eponychium, perionychium, hyponychium, specialized ligaments, and nail folds. Each section explains the structure, function, and importance of these components, highlighting their roles in nail health and growth. The tutorial also clarifies common misconceptions, such as the difference between the cuticle and eponychium, and emphasizes the significance of proper nail care.

What is the primary function of the nail plate?

• To provide color to the nail

• To connect the nail to the finger

• To protect the nail bed

• To produce new nail cells

Which part of the nail contains a rich blood supply?

• Cuticle

• Nail plate

• Nail bed

• Matrix

Where are nail plate cells formed?

• Cuticle

• Eponychium

• Matrix

• Nail bed

What is the visible portion of the matrix called?

• Hyponychium

• Nail fold

• Lunula

• Cuticle

What is the role of the cuticle?

• To provide color to the nail

• To produce new nail cells

• To protect the matrix

• To seal the space between the nail plate and epithelium

Which part of the nail is commonly confused with the cuticle?

• Nail bed

• Matrix

• Eponychium

• Hyponychium

What is the function of the hyponychium?

• To produce new nail cells

• To protect the nail bed from infection

• To connect the nail to the finger

• To provide color to the nail

What do specialized ligaments in the nail do?

• Produce new nail cells

• Provide color to the nail

• Connect the nail plate to the nail bed

• Hold the nail plate in place

What is the function of nail folds?

• To provide color to the nail

• To create grooves or furrows

• To protect the matrix

• To produce new nail cells

What are sidewalls in nail anatomy?

• The thick skin under the free edge of the nail plate

• The living skin bordering the root and sides of the nail

• The lateral nail fold of the skin on the sides of the nail plate

• The visible portion of the matrix