A critical analysis of Akinsanya's theory of bionursing is presented This innovative model, designed to direct nursing education in the biological sciences, explores the link between nursing and these sciences and attempts to disassociate nursing from the dominance of the biomedical model The underlying assumptions of the model and its main concepts are examined in the light of current beliefs about professional nursing practice and education Links between the concepts in the model are explored The utility of the bionursing model for nursing education and practice is examined and some hypotheses for empirical testing of the model are suggested