Sterling silver (an alloy of 92 percent silver, blended with copper and other metals) gives a lustrous appearance to coins, jewelry, and silverware. The fact that pure silver is slightly harder than gold, but still very ductile and malleable, makes it a natural choice for dental fillings.
Ultrasound detected papillary projections in 78% of tumors. Papillary projections were disseminated in 33% of malignant, 20% of borderline, and 0% of benign tumors (p = 0.0049). The mean size of the papillary projections was 9.6, 15.7, and 35.3 mm in benign, borderline, and malignant tumors, respectively (p = 0.0007).
There are four types of lingual papillae present in the human tongue: 1  Fungiform papillae-as the name suggests, these are slightly mushroom-shaped if looked at in longitudinal section. 2  These are present mostly at the dorsal surface of the tongue, as well as at the sides. 3  Innervated by facial nerve.he bud is formed by two kinds of cells: supporting cells and gustatory cells. The supporting (sustentacular) cells are mostly arranged like the staves of a cask, and form an outer envelope for the bud. Some, however, are found in the interior of the bud between the gustatory cells.