Saint Vitus’s dance an archaic name for Sydenham’s chorea.
node n. 1. a point in a graph, tree diagram, or...
goiter n. a swelling in the front part of the neck caused b...
oxytocin n. a peptide produced in the hypothalamus and rele...
Schröder staircase an ambiguous figure of a staircase, whic...
experimental unit the unit to which an experimental manipul...