prolabial

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• prolabial — Denoting the isolated central soft tissue segment of the upper lip in the embryonic state and in an unrepaired bilateral cleft palate …   Medical dictionary

• segment — 1. A section; a part of an organ or other structure delimited naturally, artificially, or by invagination from the remainder. SYN: segmentum [TA]. SEE ALSO: metamere. 2. A territory of an organ having independent function, supply, or drainage. 3 …   Medical dictionary