Overt hypothyroidism is defined as a clinical syndrome of hypothyroidism associated with elevated TSH and decreased serum levels of T 4 or T 3. The measurement of thyroid autoantibodies helps in diagnosing an autoimmune process. However, this test should be ordered only if it will influence the decision to treat.
The American Rhododendron Society measures the growth rates of numerous species and hybrids. Speed of growth is determined by calculating how tall a plant grows in 10 years. Many rhododendron plants grow from 3 to 4 feet in 10 years, but some can grow up to 7 feet in 10 years.Some of the fastest growing rhododendrons are the Brittenhill Bugle, R. genestierianum, Ilam Cream, Mother of Pearl, Professor Hugo de Vries, Spicy Nutmeg, and the Whidbey Island.picy Nutmeg. Spicy Nutmeg is a fragrant, fast-growing rhododendron that has funnel-shaped, 3 1/2-inch wide flowers with wavy lobes. The flowers are pale purplish-pink with reddish-purple rays and spotting in the flower's funnel throat.
This species of tree may be the fastest growing tree in North America. In some locations it can put on a good 10-15 feet per year, and can often do so for several years in a row. It can continue to put on 5 feet per year even after this phase is completed, and may do so for around a quarter of a century.cacia (Wikimedia). Acacia can be an impressively fast growing tree. One acacia falcate tree which was planted in Sabah, Malaysia, managed to put on an astounding 35 feet of height in just 13 months, which comes out to just over an inch per day.