Costa Vicentina, Set. 2004
terça-feira, 2 de janeiro de 2007
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According to Wikipedia Philtrum (Greek philtron, from philein, "to love; to kiss") is the vertical groove in the upper lip, formed where the nasomedial and maxillary processes meet during embryonic development. It exists to allow a dynamic range of lip motions necessary for human vocal and non-verbal communication.
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