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A dermoid cyst is a mature cystic teratoma containing hair (sometimes very abundant) and other structures characteristic of normal skin and other tissues derived from the ectoderm. The term is most often applied to teratoma on the skull sutures and in the ovaries of females.
Variation in coloring of the outer surface of the shell of Nerita peloronta. The shell of this species is large compared with many other Nerite species, reaching lengths of 2 inches. The shell is thick and short spired. Its surface can have slightly raised spiral ridges. The dark red operculum is granulated on its inner side. The color of the ...
This condition can cause teeth to be discolored (most often a blue-gray or yellow-brown color) and translucent, giving teeth an opalescent sheen. [ 2 ] [ 3 ] [ 8 ] [ 5 ] [ 9 ] Teeth are also weaker than normal, making them prone to rapid wear, breakage, and loss.
Teeth whitening strips are easy-to-use, peel-and-stick strips that you wear on your teeth for 15 to 30 minutes each day. "Most kits come with a 30-day supply and are relatively easy to use," says ...
The shells of cowries are usually smooth and shiny and more or less egg-shaped. The round side of the shell is called the Dorsal Face, whereas the flat under side is called the Ventral Face, which shows a long, narrow, slit-like opening , which is often toothed at the edges. The narrower end of the egg-shaped cowrie shell is the anterior end ...
If you’re unfamiliar with the cosmetic dental service, veneers are thin shells made of porcelain, resin, or composite materials that are custom-made and bonded to the front surface of teeth to ...
The test lacks its velvet-like skin of spines and has often been bleached white by sunlight. To beachcombers of the past, this suggested a large, silver coin, such as the old Spanish dollar, which had a diameter of 38–40 mm. Other names for the sand dollar include sand cakes, pansy shells, snapper biscuits, cake urchins, and sea cookies. [3]
A "lead hue" of the skin with pallor and/or lividity is another feature. [43] [44] A blue line along the gum with bluish black edging to the teeth, known as a Burton line, is another indication of chronic lead poisoning. [45] Children with chronic poisoning may refuse to play or may have hyperkinetic or aggressive behavior disorders. [35]