The first building to use a steel frame in St. Louis was the Wainwright Building, a 10-story office building and one of the first modern skyscrapers. The building, which was designed by Louis Sullivan and Dankmar Adler, illustrates Sullivan's principle of form follows function.
keratinocyte. [keratâ²inÅsÄ«tâ²]. Etymology: Gk, keras + kytos, cell. an epidermal cell that synthesizes keratin and other proteins and sterols. These cells constitute 95% of the epidermis, being formed from undifferentiated, or basal, cells at the dermal-epidermal junction.
Cnidocytes are a distinctive feature of cnidarians (jellyfishes, sea anemones, corals, hydrae, etc .). These are explosive cells used by cnidarians in order to capture their prey (e.g. fish and crustaceans). These cells shoot off threadlike, often toxic, tubule inside the cnidocyst.