Polymorphonuclear (PMN) neutrophil leukocytes are cells of innate immunity recognized in a peripheral blood smear because of their particular multilobed nucleus. Ring shaped nucleous are typical in rats and mice, being described in some pathologies in humans as well as in healthy subjects.
Bone marrow transplant (BMT) recipients often require parenteral nutrition (PN) to meet their nutrient needs. While general guidelines
for the provision of PN support by nutrition support teams (NSTs) have been shown to decrease inappropriate PN use, recommendations
for nutrition in BMT recipients are lacking.