Annual bands in synthetic-resin-mounted microscopic slides.
D003585:Cell Biology / Q000295:instrumentation*; D006801:Humans; D006813:Humidity; D010336:Pathology / Q000295:instrumentation*; D012116:Resins, Plant; D012621:Seasons; D013696:Temperature; D013997:Time Factors
D012116:Resins, Plant