Search results
Results From The WOW.Com Content Network
Thus, in humans, the nail of the index finger grows faster than that of the little finger; and fingernails grow up to four times faster than toenails. [10] In humans, fingernails grow at an average rate of approx. 3.5 mm (0.14 in) a month, whereas toenails grow about half as fast (approx. average 1.6 mm (0.063 in) a month). [11]
The somatosensory cortex representation of the hand is a dynamic reflection of the fingers on the external hand: in syndactyly people have a clubhand of webbed, shortened fingers. However, not only are the fingers of their hands fused, but the cortical maps of their individual fingers also form a club hand.
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.
There are a few reasons why nails could be thin, brittle, and rough on the surface. Brittle nails are sometimes a symptom of metabolic conditions, such as thyroid disease and iron deficiency anemia .
Like your hair and skin, your nails say a lot about your age. Here's what experts say you can do about it. ... Here's what experts say you can do about it. Skip to main content. 24/7 help. For ...
Nail biting may have an association with oral problems, such as gingival injury, and malocclusion of the anterior teeth. [2] [6] It can also transfer pinworms or bacteria buried under the surface of the nail from the anus region to the mouth. [2] If the bitten-off nails are swallowed, stomach problems can occasionally develop. [6]
Pay close attention to how strong and think your nails are. Extremely thin nails may not be the best for acrylics. 4. It might be hard to spot, but infection below the nail bed can become all too ...
The lunula (pl.: lunulae; from Latin 'little moon') is the crescent-shaped whitish area of the bed of a fingernail or toenail.. In humans, it appears by week 14 [1] of gestation, and has a primary structural role in defining the free edge of the distal nail plate (the part of the nail that grows outward).