Literally meaning: “spot of affection”
Origin: Anc Greek
φίλτρον/philtron(=philtrum, love potion) > φιλέω/phileo(=kiss, love)
Etymology of the term derived by Ancient Greeks belief that the philtrum is of the most erogenous parts of the body. Other traditions say that it is an indent left by the finger of ann Angel or God.
The philtrum is a genetically determined vetrical groove which extendeds from the nose to the upper lip. As genetic defect is presented in many syndromes such as Williams syndrome, Cohen disease and chromosome 18q deletion syndrome.