raphe
/ˈɹeɪ.fi/ noun
Forms raphae raphes rhaphe
- noun (anatomy) A seamlike ridge or furrow on an organ, bodily tissue, or other structure, typically marking the line where two halves or sections fused in the embryo.
- noun The connecting ridge between the two halves of the medulla oblongata or the tegmentum of the midbrain.
- noun (botany) The part of the stalk of an anatropous ovary that is united in growth to the outside covering and forms a ridge along the body of the ovule.
- noun (botany) A longitudinal median groove in the valve of many diatoms.
Synonyms
Etymology
Borrowed from New Latin raphē, from Ancient Greek ῥᾰφή (rhăphḗ, “seam; suture”).
Webster’s 1913
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “raphe”, CC BY-SA 4.0. Details