"3.25 mm +/- 0.56 (SD) at the level of the optic chiasm"
"1.91 mm +/- 0.40 (SD) as the stalk enters the pituitary gland proper"
Expected headings
"Embryology"
"Before contrast, the infundibulum is of somewhat lower T1 signal than the adjacent optic chiasm and of the posterior pituitary (which has intrinsic high T1 signal; posterior pituitary bright spot) 4."