* [[Apothecaries]] are field medics, responsible for both the physical health of their brothers, but also safekeeping the Chapter's [[Gene-seed]]. Some Apothecaries, known as [[Apothecary Biologis|Apothecary Biologises]] instead study enemy Xenos biology, discovering weaknesses.{{Citethis}} They wear white armour, irrespective of what chapter they belong to, and wear their Chapter Badge as normal.{{Fn|27g}}