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.
In this layer,  mitosis generates new keratinocytes.  The epidermâ¦is is composed of 5 layers. From most superficial to  most deep, those are:   1) stratum corneum   2) stratum lucidum   3) stratum granulosum   4) stratum spinosum   5) stratum basale . 5 people found this useful.