17.The contrast between normal adrenal cortex and the small pale  infarct is good. The area just under the capsule is spared because of blood supply from capsular arterial branches. This is an odd place for an infarct, but it illustrates the shape and appearance of an ischemic (pale) infarct well.

17.图示正常的肾上腺皮质与灰白的小梗死灶清晰对比。由于动脉树状分布，被膜下血液供应有限,为梗死独特区域，该图清晰显示缺血梗死灶的外形。