Areolar Tissue is loose connective tissue that consists of a meshwork of collagen, elastic tissue, and reticular fibres-with many connective tissue cells in between the meshwork of fibres. The fibres that form the mesh structure of areolar tissue include:
Normal growth rates for Emerald Green (Thuja occidentalis 'Smaragd') are between 6 to 12 per year once established and tapering off as they reach about 12' to 15'. I'd be suprised to see more than about 18 per year even in ideal conditions.
Several types of arborvitae can be useful as ornamental shrubs. The American arborvitae (Thuja occidentalis) has a narrow, conical shape and can grow up to 60 feet tall in the wild. Cultivated varieties, however, are shorter and more rounded, between 3 and 12 feet tall depending on the cultivar.