Structure and ultrastructure of the frog motor endplate K. PeperF. DreyerH. Moor OriginalPaper Pages: 437 - 455
The relation between the caudo-dorsal region of the preoptic nucleus and the pars nervosa of the pituitary gland in Xenopus laevis tadpoles C. D. Notenboom OriginalPaper Pages: 457 - 471
The aquatic egg of Nymphula nymphaeata (Lepidoptera: Pyralidae) R. BarbierG. Chauvin OriginalPaper Pages: 473 - 479
Fluorescence and electron microscopical study of aminergic nuclei in the brain of Bufo poweri T. ChackoM. TerlouJ. Peute OriginalPaper Pages: 481 - 495
Origin and fate of the multivesicular bodies in PHA stimulated lymphocytes Anny Anteunis OriginalPaper Pages: 497 - 511
Histochemistry and fine structure of endocrine cells in foetal lungs of the rabbit, mouse and guinea-pig Esther Hage OriginalPaper Pages: 513 - 524
A quantitative study of the ultrastructural changes in the hypothalamo-neurohypophysial system during and after experimentally induced hypersecretion J. F. MorrisR. E. J. Dyball OriginalPaper Pages: 525 - 535
An electron microscopic and autoradiographic study of mesogleal organization and collagen synthesis in the sea anemone Aiptasia diaphana Irwin I. Singer OriginalPaper Pages: 537 - 554
An ultrastructural study of the spermatids of Campodea C. remyi Denis (Diplura Campodeidea) at the bundle stage Camille Bareth OriginalPaper Pages: 555 - 566
Structure and ultrastructure of the central nervous system of the polychaete Nephtys, with special reference to photoreceptor elements Z. R. ZahidD. W. Golding OriginalPaper Pages: 567 - 576
Cholinesterase in the posterior pituitary Sharon WhitakerFrank S. LaBellaMaria Prasher OriginalPaper Pages: 577 - 586
Lipidosis-like alterations in hypothalamic neurosecretory cells of rats treated with chlorphentermine or iprindole Renate Lüllmann-Rauch Short Communication Pages: 587 - 590