heterogeneous group an aggregate of individuals or other el...
mysophilia n. a pathological interest in dirt or filth, oft...
thalamic pacemaker a group of nuclei in the thalamus that t...
carbonic anhydrase inhibitor any of a group of drugs that i...
opioid dependence in DSM–IV–TR, a pattern of repeated or co...
prosthetics n. a medical specialization concerned with the...