nail bed

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Related to nail bed: nail root


1. a supporting structure or tissue.
2. a couch or support for the body during sleep.
bed blocks square pieces of wood placed under the legs of a bed to change its incline; frequently used when a patient is in traction.
capillary bed the capillaries of a tissue, area, or organ considered collectively, and their volume capacity.
CircOlectric bed [ser″ko-lek´trik] an electrically operated frame similar in principle to the stryker frame. It can be rotated so that the patient is in a prone, supine, or erect position; this facilitates turning of patients with severe burns, those in some types of traction, or those with various types of spinal injuries.
Clinitron bed fluidized air bed.
bed cradle a frame placed over the body of a patient in bed for application of heat or cold or for protecting injured parts from coming into contact with the bed clothes. Cradles vary in size according to their intended purpose and can be used over the entire body or over one or more of the limbs.
flotation bed a waterbed or other fluid-filled mattress that distributes body weight evenly to minimize prolonged pressure in one area; used for immobilized or burned patients to prevent pressure ulcers.
fluidized air bed a bed that minimizes pressure and distributes weight evenly over the support surface. A gentle flow of temperature-controlled air is projected upward through numerous tiny openings called ceramic microspheres. Called also Clinitron bed.
Clinitron bed or fluidized air bed. From Elkin et al., 2000.
Gatch bed a bed fitted with jointed springs, which may be adjusted to various positions.
nail bed the area of modified epidermis beneath the nail over which the nail plate slides as it grows.
Roto Rest bed trademark for an oscillating hospital bed used in the treatment of a variety of neurological conditions in which the patient must be kept still and in alignment. The bed can rock slowly back and forth, thereby preventing some hazards of immobility. The patient is kept in place with a system of belts and specially designed pillows and packs.
ROTO REST kinetic treatment table. ROTO REST is Kinetic Concepts' trademark for its oscillating bed. Courtesy of Kinetic Concepts, San Antonio, TX.
vascular bed the sum of the blood vessels supplying an organ or region.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

nail ma·trix

the area of the corium on which the nail rests; it is extremely sensitive and presents numerous longitudinal ridges on its surface. According to some anatomists, the nail bed is the portion covered by the body of the nail, the nail bed being only the part on which the root of the nail rests.
Farlex Partner Medical Dictionary © Farlex 2012

nail bed

The formative layer of cells at the base of the fingernail or toenail; the matrix.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

nail bed

(nāl bed)
The area of the corium on which the nail rests; it is extremely sensitive and presents numerous longitudinal ridges on its surface.
Synonym(s): keratogenous membrane (2) , matrix unguis.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Nail bed

The layer of tissue underneath the nail.
Mentioned in: Nail Removal
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Patients who were referred to our clinic due to fingertip amputation including total loss of nail bed between 2014 and 2017 and who could not be replanted were prospectively included in this study.
Infections, however, are not the only cause for inflammation of the nail bed. Other more serious problems can cause similar clinical findings.
It is fixation of the distal part of the nail bed to the underside of the distal part of the nail plate.
Each nail plate/bed was scored through 0-4; 0 if a nail plate/bed was intact and 4 if nail plate/bed involvement was present in all 4 quadrants; thus each nail has a matrix score (0-4) and a nail bed score (0-4), and the total nail score is 0-8.
In addition, the dermoscopic examination clearly revealed hyperkeratosis in the hyponychium and adherence of the nail bed to the nail plate, raising the suspicion of pterygium inversum unguis (Figure 2).
Onychomadesis is the onset of separation of the nail from the nail bed from the proximal part.
Transungual approach can lead to nail deformity, thus periungual approach has been advocated in tumour in peripheral locations and transungual approach for central regions with meticulous repair of nail bed by plastic surgery.
3 PALE NAIL BEDS NORMALLY if you press gently on your fingernails they turn white, and then go pink again when you release the pressure.
Scrapings for fungus from the nail bed and plate in 10% potassium hydroxide preparations were negative.
Kircik assessed the ability of the active drug to reach the site of infection by spreading into the space between the nail plate and the nail bed, rather than directly through the nail plate.
The nail paints from VVB not only give beautiful colour to the nails but also nourishes and conditions the nail bed with silica-rich bamboo extract and other essential nutrients, says the website.
We report a 47 year-old diabetic patient who presented with onycholysis and a verrucous plaque occupying the nail bed of the left thumb evolving for 8 years (Fig.