raphe
/ˈreɪfi/
noun
- A seam-like line or ridge where two halves of a structure join, especially in anatomy or botany.
- In botany, the raphe is the ridge on a seed where it was attached to the ovary wall.
- The raphe on the tongue is a faint line down the middle.
- The doctor pointed to the raphe on the patient's palate during the exam.