Back to Top Exams and Tests. Your health care provider can usually diagnose acanthosis nigricans by looking at your skin. A skin biopsy may be needed in unusual cases. If there is no clear cause of acanthosis nigricans, your doctor may order tests. This may include: 1  Blood tests to check blood sugar level.
The definition of unlike is a person or thing that is different from another. An example of unlike is a woman with short hair in a group of women with long hair. The definition of unlike is to withdraw your previously-posted expression of liking someone or something on a social media website. An example of unlike is to remove the like which you previously selected under a post from one of your friends on FaceBook. An example of unlike is to remove a television show which you previously had noted as one of your likes on FaceBook.
You can only unlike comments, posts, photos and Pages that you previously liked. To unlike a comment, post or photo, click or Unlike below the content. To unlike a Page (which will also remove it from your profile and Timeline): 1  Go to the Page. 2  Click Liked below the cover photo. 3  Select Unlike.