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finger 
Each of the five terminal parts of the hand containing numerous Meissner’s corpuscles, giving them great sensitivity.
lunula 
Whitish section between the root and the body of the nail corresponding to the visible front portion of the matrix.
body of nail 
Central pinkish section of the nail adhering to the nail bed.
free margin 
Whitish terminal part of the nail extending beyond the finger.
nail bed 
Portion of the finger upon which the nail sits containing numerous blood vessels, thus nourishing the nail.
digital pulp 
Fleshy terminal part of the inner finger.
nail matrix 
Section of the epidermis from which the nail grows.
middle phalanx 
Second phalange of the finger between the proximal and distal phalanges.
distal phalanx 
Last phalange of the finger bearing a nail.
dermis 
Layer of skin enclosing tactile receptors ensuring nutrition and support of the epidermis.
epidermis 
Surface layer of the skin covering and protecting the dermis; it contains proteins that make the skin impermeable and block ultraviolet rays.
root of nail 
Base of the nail implanted in the matrix and protected by a fold of skin (cuticle).