Comparative morphometrics of the acrosomes of the sperms of “externally” and “internally” fertilizing sperms of the shipworms (teredinidae, bivalvia, mollusca) J. D. Popham OriginalPaper Pages: 291 - 297
Effects of nerve growth factor and its antiserum on axonal regeneration of short adrenergic neurons in the male mouse Bo BjerreEvald Rosengren OriginalPaper Pages: 299 - 322
Ultrastructural localization of concanavalin a binding sites on the surface of differentiating hemopoietic cells G. Adolph AckermanSamuel D. Waksal OriginalPaper Pages: 331 - 342
An ultrastructural analysis of early fertilization in the sand dollar, Echinarachnius parma R. G. SummersB. L. Hylander OriginalPaper Pages: 343 - 368
Dissolution and removal of neuronal lipofuscin following dimethylaminoethyl p-chlorophenoxyacetate administration to guinea pigs Mahdi HasanPaul GleesPolly E. Spoerri OriginalPaper Pages: 369 - 375
The sarcolemma of skeletal muscle fibres as demonstrated by a replica technique Henning Schmalbruch OriginalPaper Pages: 377 - 387
Ultrastructural analysis of the human cerebral ventricular system David E. ScottDavid H. Van DykeGerald P. Kozlowski OriginalPaper Pages: 389 - 397
Cell junctions in Bowman's capsule in developing rat and human kidney Monique A. RyserWilliam A. Webber OriginalPaper Pages: 399 - 407
Electron microscopic investigation of synaptic organization of the trochlear nucleus in cat I. J. BakW. B. Choi OriginalPaper Pages: 409 - 423