A lobulation is an appearance resembling lobules.
For instance, the thyroid gland may become large and lobulated in Hashimoto's thyroiditis.Page 56 in:
Fetal lobulation, also known as fetal lobation, of the kidney is evident on scanning. Fetal lobation is a normal stage in the development of the kidney. In the adult a normal anatomic variant is that of persistent fetal lobulation of the kidney that may be mistaken for a tumour.
See also Lobation
References