uterus morphology trait uterine natural killer cell morphology trait MP:0008054 Any measurable or observable characteristic related to the shape, structure, color, or pattern of the uterine subset of the non-T, non-B lymphocytes, having a granular morphology and which are important in innate immunity to viruses and other intracellular pathogens; uNK cells contribute to uterine decidualization and are recruited to implantation sites. uNK cell morphology trait VT:0008054 Trait.ontology granulated metrial gland cell morphology trait GMG cell morphology trait uterine NK cell morphology trait