尸斑

shī bān wèi xíng chéng shí yòng shǒu zhǐ yā rù pí fū huì shǐ pí fū biàn wéi bái sè rán hòu tā huì fù yuán

尸斑未形成时，用手指压入皮肤会使皮肤变为白色，然后它会复原。

When lividity is not set, pressing into the skin with a finger will turn the skin a white color and then it will turn back.