title: In memoriam. Sir Francis Knowles.
mesh_terms: D000715:Anatomy / Q000266:history*; D003445:Crustacea / Q000648:ultrastructure*; D049673:History, 20th Century; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology; D008131:London; D009490:Neurosecretory Systems / Q000648:ultrastructure*