en·gram /ˈɛngræm/

a presumed encoding in neural tissue that provides a physical basis for the persistence of memory; a memory trace.

Also called trace.

1905–10; en- + -gram

—Related forms
en·gram·mic, adjective

Source: Dictionary.com.

The will to death is in all life. Every organic cell ecphorizes the inherited engrams of its inorganic origin.

Source: The War Against the Rull by A E van Vogt.