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The visible portion of a nail, known as the nail plate, is primarily composed of a protein called keratin, which is also found in hair and skin. It is a hard, protective structure that covers the tips of fingers and toes. The nail plate is produced by cells in the nail matrix, located beneath the cuticle, and it grows outward as new cells are formed. The nail itself is translucent, allowing the underlying nail bed's color to show through.
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What is the proximal portion of the nail?
The proximal portion of the nail is known as the nail matrix, located just beneath the cuticle at the base of the nail. It is responsible for producing new nail cells, which harden and form the visible part of the nail as they grow out. The health and functionality of the nail matrix are crucial for proper nail growth and appearance. Any damage to this area can affect the shape and texture of the nail.
What is the visible part of the nail called?
The visible part of the nail is called the nail plate or nail body. It is the hard, protective outer covering of the nail.
What is the most actively growing portion of a nail?
The most active growing portion of the nail is the Lunula. The Lunula is the white lower part of your nail closest to your skin.
What is the light colored half moon area on the base of the nail?
The light colored half moon area at the base of the nail is called the lunula. It is part of the nail matrix and is the visible portion of the nail root. The lunula may vary in size and visibility from person to person.
What is the free-edge of the nail?
The free edge of the nail is the part of the nail plate that extends beyond the fingertip and is not attached to the nail bed. It is the visible portion of the nail that can be trimmed or shaped. This area is typically more exposed and can be susceptible to wear and damage, making proper nail care important. The free edge plays a role in protecting the fingertips and enhancing the overall appearance of the nails.
Is the underwater portion of an iceberg bigger than the portion that is visible above water?
No, typically the underwater portion of an iceberg is not bigger than the portion that is visible above water. Icebergs are known to have a larger portion underwater, but this is due to the difference in density between ice and seawater rather than the underwater portion being larger in size.
What portion of the engergy spectrum is visible light?
Visible light is in the portion of the electromagnetic spectrum between infrared (IR) and ultraviolet (UV) light.
Which portion of the electromagnetic spectum can be viewed with the bare human eye?
The visible light spectrum (wavelengths from 380 to 700 nanometers)
What is the portion of the electromgnetic spectrum that humans can see?
Humans can see a portion of the electromagnetic spectrum known as visible light, which ranges from approximately 400 to 700 nanometers in wavelength. Visible light is made up of different colors that correspond to different wavelengths within this range.
The visible portion of the hair is the?
hair shaft
Explain the difference between the nail plate and the nail bed?
The nail part refers to the the visible part of nails on fingers and toes while the nail bed refers to the skin beneath the nail plate.
Of what material are finger nails made?
Keratin - the same substance that makes up hair.Anatomically fingernails and toenails, which are made of a tough protein called keratin and are produced from living skin cells in the fingers and toes, are made up of many different parts: * The free edge is the part of the nail that extends past the finger, beyond the nail plate. There are no nerve endings in the nail - this is the growing part of the nail still under the skin at the nail's proximal end. * eponychium or cuticle, is the fold of skin at the proximal end of the nail. * paronychium is the fold of skin on the sides of the nail. * hyponychium is the attachment between the skin of the finger or toe and the distal end of the nail. * nail plate is the hard and translucent portion, composed of keratin. * nail bed is the adherent connective tissue that underlies the nail, often colloquially referred to as the "quick." * lunula is the crescent shaped whitish area of the nail bed (when visible) * nail fold a fold of hard skin overlapping the base and sides of a fingernail or toenail. In common usage the word nail usually refers to the nail plate only
