electromicrographs of the ovarian follicle walls of hens fed a high-fat diet show the presence of numerous portomicron-like particles in the lumen of the thecal capillaries , in the pericapillary spaces and in the theca interna , but portomicrons were absent from the basal lamina , between the granulosa cells and in newly deposited yolk .
C0018120
ovarian follicle
C0018207
granulosa cells