Lipid Definition Lipids are class of naturally-occurring organic compounds that you may know by their common names: fats and oils. A key characteristic of this group of compounds is that they are not soluble in water.
Ultrasound. 1  normal thyroid gland has an homogenous appearance, the capsule may appear as a thin hyperechoic line. 2  each lobe normally measures 4 length: 4-7 cm. depth: <2 cm. 3  volume (excluding isthmus, unless its thickness is > 3mm) 6 10-15 ml for females. 12-18 ml for males.
How to Read the Results. For healthy adults, the normal TSH range is 0.4 - 4.0 milli-international units per liter of blood. This range jumps to 0.5 and 3.0 milli-international units per liter of blood for patients that are being treated for thyroid disorders. If our thyroid hormones are low, our bodies will attempt to balance out the hormones.