vitrous

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• Belus River — Belus or Belos is a small river in north western Israel, where according to legend, mentioned by Isidore of Seville in his Etymologiae glass making was invented. This river is identified with what is now called the Na aman River (Hebrew: נחל… …   Wikipedia

• Stroma — The supportive framework of an organ (or gland or other structure). The stroma is usually composed of connective tissue. It is distinct from the parenchyma, which consists of the key functional elements of that same organ (or gland or other… …   Medical dictionary