We have noticed that some sauces are hot on the front of the tongue while others are hot on the back of the tongue. (fieryfoodscentral.com)
With an attachment close to or at the front of the tongue, only the sides of the tongue can rise when baby tries to lift it, sometimes forming a characteristic heart shape. (breastfeedingtoday-llli.org)
When you can't sweep your finger across without pulling it back to «jump over a fence,» the frenulum is a fibrous band attached closer to the front of the tongue. (breastfeedingtoday-llli.org)