Skin tags that have changed color or bleed may require your doctor's evaluation and reassurance. Rarely, thrombosed skin tags may be a sign of another condition and need to be biopsied.
The x-axis and y-axis are two lines that create the coordinate plane. The x-axis is a horizontal line and the y-axis is a vertical line. I'm sure you've heard that a million times, but it might hard for you to remember which one is which. Here is a little trick to help you remember...
vertical noun [C usually singular]. âº a vertical âline, âsurface, or âposition: In a two-stage âoperation, the âsteel âstructure will be âraised to the vertical. (Definition of vertical from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press).