马氏小体全称马尔皮基氏小体可以指：

• 肾小球，位于肾脏内初步过滤血液、制造尿液的构造。
• 脾脏的白髓，含有许多淋巴球。

这两种构造名称皆用以纪念意大利医师马尔皮基（Marcello Malpighi）。

There are at least two anatomical structures called a Malpighian corpuscle. They are also known as:

These structures are named after Marcello Malpighi (1628–1694), an Italian physician and biologist regarded as the father of microscopical anatomy and histology.