these may be represented by three different histogenetic lines : 1 ) spindle-shaped appendiceal cortical cells ( type 1-4 ) 2 ) medullary cells showing signs of squamous-epithelium differentiation ( type 5-6 ) 3 ) medullary cells with signs of glandular differentiation ( type 7-8 ) .
C0007634
cells
C0007589
differentiation