has part has part has_part characteristic of part of has modifier abnormal loop of Henle morphology abnormal loop of Henle descending limb morphology abnormal descending limb of Henle's loop morphology csmith MP:0011341 abnormal descending limb of loop of Henle morphology any structural anomaly of the portion of the renal tubule that constitutes the proximal part of the loop of Henle, has low permeability to ions and urea, and is highly permeable to water; it consists of an initial short thick segment lined by low simple cuboidal epithelium and a long thin segment lined by simple squamous epithelium; however, this distinction is not as important physiologically as in the ascending limb, so often the two are treated as one structure 2011-10-13T09:44:50Z abnormal ansa nephroni descending limb morphology abnormal descending loop of Henle morphology MA:0001679 MPheno.ontology morphology abnormal descending limb of loop of Henle