Nail Anatomy

The video tutorial provides an in-depth look at the anatomy and composition of fingernails, focusing on keratin, a protein that forms nails, claws, and other structures. It explains the growth process of nails, detailing the role of keratinocytes and the nail matrix. The anatomy of the fingertip and its parts, such as the nail root and cuticle, are discussed, highlighting their importance in nail growth. The video also offers practical tips for maintaining healthy nails, emphasizing cleanliness and proper trimming to prevent disease.

What is the primary protein that makes up fingernails?

• Myosin

• Keratin

• Collagen

• Elastin

Where do keratinocytes produce keratin in the nail?

• Distal phalanges

• Cuticle

• Nail matrix

• Nail bed

What happens to old cells during the nail growth process?

• They become part of the cuticle

• They dissolve in the nail matrix

• They are pushed out to form the nail

• They are absorbed back into the body

Which part of the fingertip anatomy is crucial for nail growth?

• Nail bed

• Nail matrix

• Distal phalanges

• Epidermis

What is a recommended practice for maintaining healthy nails?

• Ignore nail hygiene

• Keep nails dry and clean

• Avoid trimming nails

• Use any available tool for trimming