Includes bibliographical references (leaves 150-183). / xii, 183 leaves : ill. (some col.) ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Considers the tubule and capillary barriers from the point of view of anatomy, physiological function and possible factors which may cause the tubule barrier to be breached or influence substance exchange across the capillary wall. / Thesis (Ph.D.)--University of Adelaide, Dept. of Animal Sciences, 1994