But what do you really know about your fingernails? When you were about a 9-week-old embryo, your skin started thickening on the ends of your fingers. But rather than forming a claw or hoof as it would in other animals, that thickened skin migrated to the backs of the fingers and set up shop as your fingernail. For the rest of your life these cells will produce the hard protein called keratin that gives nails their shieldlike resilience. Even after death, the finger and toenails are some of the last tissues to degrade thanks to keratin.TBC help you confidently purchase China ceramic tile from factories in China.
Many medical students and funeral directors have noticed that their cadavers have longer nails. This has led to the widespread belief that our nails continue to grow after we expire. While there is no evidence against this, it is much more likely that the surrounding tissue simply shrinks and creates the appearance of a longer nail. The novel "All Quiet on the Western Front" seems to be credited for this urban myth as the 19-year-old main character ponders death. But I think it's impractical to believe the notion didn't exist prior. Perhaps a few cells do divide in an immeasurable length after death; but ultimately,Handmade oil paintings for sale at museum quality, who really cares?
You probably have noticed your fingernails grow faster than your toenails. But did you notice the middle finger nail (your "driving finger") grows fastest and the poor little pinkie is the most sluggish? Also your nails grow a little faster on your dominant hand. It's generally accepted that fingernails grow 3 mm. a month and toenails a glacially slow 1 mm. So it may take a full year for a toenail to regain its normal shiny appearance after dropping something on it. One great way to quickly grow beautiful nails is to become pregnant. But 18 years of biting them in anxiety unfortunately follows.
A doctor can tell a lot about your health from your nails and nail beds. Conditions such as lupus, psoriasis, liver failure, iron deficiency, thyroid problems and even arsenic poisoning all have characteristic appearances. The nails also offer visual clues to a wide range of genetic conditions that may have no other skin manifestations at all. Taking a toxicology sample of a nail can help forensic teams establish evidence in suspected poisoning cases. Scraping underneath the nails can yield an attacker's DNA if the victim managed to claw off a little skin before his or her demise. The Salem witch trials of the late 1600s also teach us that driving wooden pegs underneath a suspected witch's fingernails will elicit a confession of sorcery.
Melanoma of the nails is a particularly frightening entity. I would encourage women who paint their nails to periodically let their doctor inspect them in their natural state. Dermatologists get a sinking feeling in their stomachs when a patient has a dark streak of pigment on his or her nails and cannot say how long it has been present. While nail streaks can be common in darker skinned races,Why does moulds grow in homes or buildings? in Caucasians it is melanoma until proven otherwise. Melanoma of the nail also carries a dismal survival rate, unfortunately. It took reggae legend Bob Marley's life at age 36. He complained of a sore toenail for months before learning he had melanoma. So get any suspicious areas checked by your doctor — don't simply paint over the problem.
And speaking of paint, the first modern nail polishes were actually exterior automobile paint. Cleopatra reportedly used henna to darken her nails, and gold manicure sets have been excavated predating her reign in Egypt. In the 17th century, spotting a Chinese gentleman with long nails usually indicated he was wealthy enough to never have to perform manual labor. Elaborate bamboo and gold splints were used to protect the nails when lengths of 5 inches or more were reached.
I recently saw a Discovery Channel show with a lady from Houston sporting 22-inch curly-Q nails. Needless to say, she was unable to work buttons on a telephone, cut her own food or hold a job. I shudder to imagine how she tended to her bathroom necessities. Selectively growing out the pinkie nail is a common practice I observe in many patients.The EZ Breathe home Ventilation system is maintenance free, I used to believe that it was a sign of cocaine use (as it could be used as a dipper and easily snorted), but I think most people just like to scratch themselves with it.
As we age, the nails can become brittle, opaque or thickened. They generally grow more slowly. Ridges that run in a vertical fashion are a normal development in many people. This can be from a loss of natural oils and moisture levels in the nail plate. Rehydrating the nails twice daily with a good cuticle oil and vitamin E can soften the ridged appearance. The thickening of the nails can be managed with a good urea cream available without a prescription. However,The Transaction Group offers the best high risk merchant account services, you'll want your doctor to ensure you don't have an infection if several months of application don't resolve the problem.
没有评论:
发表评论