has part has part has_part characteristic of has modifier abnormal neural tube morphology neural tube degeneration MP:0012509 csmith a retrogressive impairment of function or destruction of the hollow epithelial tube found on the dorsal side of the vertebrate embryo that develops into the central nervous system (i.e. brain and spinal cord) 2014-01-01T13:17:46Z MPheno.ontology abnormal degenerate neural tube