In teratology, a malformation or congenital disorder involving a raphe, such as spina bifida, is known as a dysraphism.
Liddell, H.G. & Scott, R. (1940). A Greek-English Lexicon. revised and augmented throughout by Sir Henry Stuart Jones. with the assistance of. Roderick McKenzie. Oxford: Clarendon Press. ↩
"raphe" at Dorland's Medical Dictionary https://web.archive.org/web/20090628224336/http://www.mercksource.com/pp/us/cns/cns_hl_dorlands_split.jsp?pg=/ppdocs/us/common/dorlands/dorland/nine/000956341.htm ↩