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.
Normally the reference range for TSH is around 0.5 to 5.0 but thyroid doctors have been debating these numbers for years. 0.03 is lower than ânormalâ however TSH does not give a full picture. You should speak with your doctor about testing your Free T4, Free T3, Reverse T3, and thyroid antibodies.ormally the reference range for TSH is around 0.5 to 5.0 but thyroid doctors have been debating these numbers for years. 0.03 is lower than ânormalâ however TSH does not give a full picture. You should speak with your doctor about testing your Free T4, Free T3, Reverse T3, and thyroid antibodies.