Floor of Mouth Cancer | Cedars-Sinai A bright red tongue could be an indication of vitamin B12 deficiency, heart disorders or blood diseases. Your dentist is your first line of defense and information. They are also called “caviar lesions”. This is possibly the most alarming sign you may see on your tongue in terms of what this looks like, but a black and hairy tongue is actually quite common and for the most part of no special concern. The spleen, in healthy adult humans, is approximately 7 centimetres (2.8 in) to 14 centimetres (5.5 in) in length. Advertisement. The little “hairs” on your tongue are called papillae and they grow throughout your lifetime. I couldn't, however feel anything there when I ate or anything. Associated Conditions There are a handful of conditions that may be associated with the tongue, often impacting the ability to swallow or speak normally. Caviar tongue - Indian Journal of Dermatology, Venereology and … It begins as a small outpouching of the veins, and the varicosities gradually elevate the overlying thin mucosa with color varying from red to … Normally, the under tongue veins will tend to be dark purple or dark blue or black purple if there is less blood flowing to this area. 8 Warning Signs Your Tongue May Be Sending About Your Health Though common and not usually a cause for concern, sublingual varices may be linked to high blood pressure, according to one 2014 study. However, yeast infections, bacterial infections, or white painful ulcers can make the area under your tongue very sore. Health Essentials