fingernail- the nail at the end of a finger finger- any of the terminal members of the hand (sometimes excepting the thumb); "her fingers were long and thin" nail- horny plate covering and protecting part of the dorsal surface of the digits ...
The surface anatomy of the germinal matrix of the nail bed in the finger. J Hand Surg 1999;24B:531-33.Reardon CM, McArthur PA, Survana SK, Brotherston TM. The surface anatomy of the germinal matrix of the nail bed in the finger. J Hand Surg Br 1999;24:531-3....
Intersection between nail plate and overlying skin at proximal nail Germinal matrix Root of the nail Forms nail plate from base of nail bed Distal matrix produces deeper nail plate Disruption may cause deep nail ridges Proximal matrix produces superficial nail plate Disruption may cause superficial Na...
Nail matrix and lunula (nail root) The tissues beneath the nail are divided into the matrix (15-25%) and the nail bed (75-85%). Clinically, the distal element of the matrix is visible in some digits as the lunula. In others, it is fully obscured by the proximal nail fold. The pro...
is known as the CRT or blanch test. The fingernail bed is briefly depressed to turn the nailbed white. When the pressure is released the normal pink color should be restored within a second or two. Delayed return to pink color can be an indicator of certain shock states such as ...
head - a projection out from one end; "the head of the nail", "a pinhead is the head of a pin" bolt - a screw that screws into a nut to form a fastener nail - a thin pointed piece of metal that is hammered into materials as a fastener pin - a small slender (often pointed) ...
Quincke's pulsealternate blanching and flushing of the skin that may be elicited in several ways, such as by pressing on the end of the nail and observing the nail bed or skin at the root of the nail. It is caused by pulsation of subpapillary arteriolar and venous plexuses and is somet...
An infection of the surface of the skin, caused by staphylococcus ("staph") and streptococcus ("strep") bacteria nevus A benign pigmented spot on the skin such as a mole Onycholysis A nail disorder characterized by a spontaneous separation of the nail bed starting at the distal free margin ...
melanosome:intercellular vesicle that transfers melanin from melanocytes into keratinocytes of the epidermis metastasis:spread of cancer cells from a source to other parts of the body nail bed:layer of epidermis upon which the nail body forms ...
Where nail growth occurs. Nail matrix Area visible on some nails that correspond to the nail bed. Lunule Cuticle that is proximal and dorsal on the nail. Eponychium The skin under the free edge of the nail. Hyponychium Tissue of a hair follicle surrounding the hair that is derived from...