has part
has part
has_part
characteristic of part of
has modifier
abnormal primitive streak morphology
abnormal primitive node morphology
abnormal Spemann's organizer morphology
abnormal embryonic node morphology
abnormal Henson's node morphology
abnormal Hensen's node morphology
any structural anomaly of the regional thickening of cells at the rostral tip of the vertebrate primitive streak through which gastrulating cells migrate anteriorly to form tissues in the future head and neck; this region organizes the formation of the three embryonic layers and establishes the longitudinal axis and the polarity of the embryo
MPheno.ontology
abnormal prochordal knot morphology
MP:0004066
abnormal primitive knot morphology
morphology
abnormal
primitive knot