Lab subjects are topics of study that are conducted in a laboratory setting. The crossword solutions for the term 'LAB SUBJECT' include AMOEBA (6 letters), SPECIMEN (8 letters), AMEBA (5 letters), DNA (3 letters), WRAT (4 letters), SCIENCE (7 letters), and GUINEAPIG (9 letters). AMOEBA and Ameba are single-celled organisms, SPECIMEN is an object or organism used for scientific study, DNA is the genetic material found in all living organisms, WRAT is a type of intelligence test, SCIENCE is the systematic study of the physical and natural world, and Guineapig is a small rodent often used in scientific experiments.