Biomatrix
A biomatrix was a biological characteristic of a lifeform.

In 2371, Ensign Harry Kim detected some kind of highly coherent energy pulses in the dark matter nebula which included a biomatrix. ()

The Vidiian chief surgeon Sulan used the genotron to separate the Klingon DNA from B'Elanna Torres and created a completely separated biomatrix. ()

In 2381, Ensign Sam Rutherford accidentally inhaled vapors from an alien frog skull that altered his biomatrix, afflicting him with full molecular engorgement. ()

Anatomy