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Brachydactyly type D, also known as short thumb, [3] [1] stub thumb, [5] [6] or clubbed thumb, [5] [6] is a genetic trait recognised by a thumb being relatively short and round with an accompanying wider nail bed. The distal phalanx of such thumbs is approximately two-thirds the length of full-length thumbs.
Onychomancy: fingernails analysis. Onychomancy or onymancy (from Greek onychos, 'fingernail', and manteia, 'fortune-telling') is an ancient form of divination using fingernails as a "crystal ball" or "scrying mirror" and is considered a subdivision of palmistry (also called chiromancy).
[2]: 786 In racquet nails, the width of the nail bed and nail plate is greater than their length. [3]: 657 The condition is painless and asymptomatic. Racquet nails usually occur on one or both thumbs, but may appear on all fingers and toes. It may be genetic, inherited as an autosomal-dominant trait, [2]: 786 or acquired.
brachydactyly-mesomelia-intellectual disability-heart defects syndrome or if brachydactyly is not isolated and is a part of a larger genetic condition. In rare cases of isolated untreated brachydactyly, simple functions like walking or grabbing objects may be difficult, reducing the overall quality of life.
No visible clubbing – Fluctuation (increased ballotability) and softening of the nail bed only. No visible changes of nails. Mild clubbing – Loss of the normal <165° angle (Lovibond angle) between the nailbed and the fold (cuticula). Schamroth's window (see image) is obliterated. Clubbing is not obvious at a glance. Moderate clubbing ...
A. Nail plate; B. lunula; C. root; D. sinus; E. matrix; F. nail bed; G. eponychium; H. free margin. Onychia is an inflammation of the nail folds (surrounding tissue of the nail plate) of the nail with formation of pus and shedding of the nail. Onychia results from the introduction of microscopic pathogens through small wounds.
The biggest physical distinction between pincer and ingrown nails is that the former have a transverse curve of the long axis of the nail plate that grows from proximal to distal. Additionally, the contour of the nail plate in ingrown nails stays normal as the nail steadily grows in length. [9]
Because polydactyly can be part of a syndrome (known genetic defect) or association (genetic defect not known), children with a congenital upper extremity deformity should be examined by a geneticist for other congenital anomalies. This should also be done if a syndrome is suspected, or if more than two or three generations of the family are ...