Morphometric classification of neurosecretory granules in the neurohypophysis of the hagfish, Eptatretus burgeri Kazuhiko TsunekiTohru AdachiYoshihiko Oota OriginalPaper Pages: 145 - 157
Ultrastructural diversity in motor units of crustacean stomach muscles S. S. JahromiC. K. Govind OriginalPaper Pages: 159 - 166
Electron microscopic study on the gill bars of amphioxus (Brachiostoma californiense) with special reference to Neurociliary control Denis G. BaskinPatricia A. Detmers OriginalPaper Pages: 167 - 178
Gastrointestinal somatostatin cells in the human fetus P. M. DuboisC. PaulinM. P. Dubois OriginalPaper Pages: 179 - 184
Structure of the nongranulated cells in the hypophyseal rostral pars distalis of cyclostomes and actinopterygians John F. LeatherlandR. Percy OriginalPaper Pages: 185 - 200
Retinal alterations induced by continuous light in immature rats Jorge Pecci SaavedraAmanda Pellegrino de Iraldi OriginalPaper Pages: 201 - 211
Retinal alterations induced by continuous light in immature rats Amanda Pellegrino de IraldiJorge Pecci Saavedra OriginalPaper Pages: 213 - 218
The ultrastructure of the byssal apparatus of Mytilus galloprovincialis Aurelio BairatiL. Vitellaro Zuccarello OriginalPaper Pages: 219 - 234
Fine structure of the chromophobe in the pars distalis of the common snapping turtle, Chelydra serpentina Michael T. TsengChester L. Yntema OriginalPaper Pages: 235 - 240
Some observations on the fine structure of the myotendinous junction in myotomal muscles of the tadpole tail Taisuke Nakao OriginalPaper Pages: 241 - 254
Silicon in rat liver organelles: Electron probe microanalysis Charles W. MehardBenjamin E. Volcani OriginalPaper Pages: 255 - 263
The development and maintenance of smooth muscle in control and aneurogenic amphibians (Ambystoma) Charles D. Tweedle OriginalPaper Pages: 275 - 283