Thyroid function tests are a series of blood tests used to measure how well your thyroid gland is working. Available tests include the T3, T3RU, T4, and TSH. The thyroid is a small gland located in the lower-front part of your neck.
Clipping path is a path or shape drawn from the shape tool as a rectangle or circle or any shape using pen tool. It is mainly used for clipping other layer over it. Means when you are having a image of a person standing and you made a shape of it and clipped it and see that the head shape is not proper, you can edit the shape afterwards.
For clipping path, we used the pen tool. Clipping path look like this. Clipping path is processed to create a selection around the image with the help of pen tool. It is a closed vector path draws on images edges with the pen tool and cutout the image from its background. Clipping path used in 2D, 3D image cutout.