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.
1 Emerald Arborvitae grows 3' to 4' wide in the wild but commonly 2' wide in hedges. 2  Korean Boxwood grows 4' to 6' wide in the wild and can be trimmed to fit smaller spaces.  North Privet grows 4' to 6' wide in the wild but can be trimmed to more compact widths.