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.
A blood test called a TSH (thyroid stimulating hormone) is run 6-8 weeks after. starting your medication or after any dose change. The normal range of TSH is 0.5 â. 5.0. If you do not have thyroid cancer, an ideal range is 0.5-2.5 for younger people and.