The early spermatid nuclei of the grasshopper, Acrida lata, have been observed electron
microscopically. The irregularly compact chromatin mass appears closely attached to the …

The development of nuclei and cytoplasmic microtubules was studied in the maturing
spermatids of the grasshopper, Acrida lata, fixed with glutaraldehyde-potassium bichromate …

The submicroscopic structure of the grasshopper spermatid nucleus in the early stage of
maturation has been determined by an electron microscopic examination of ultrathin …

The submicroscopic structure of the maturing spermatid nucleus of the grasshopper,
Gelastorrhinus bicoler de Haan, has been studied in thin tissue sections by electron …

Thin sections of the testicular follicles of the grasshopper Laplatacris dispar were studied
under the electron microscope. In the primary spermatocytes, during meiotic prophase, three …

The nuclear changes accompanying spermatid elongation have been studied in two species
of grasshopper, Dissosteira carolina and Melanoplus femur-rubrum. Testes were fixed in 1 …

Thin sections of the testicular follicles of the grasshopper Laplatacris dispar were studied
under the electron microscope. In the primary spermatocytes, during meiotic prophase, three …

Recent electron microscope studies of nuclei and chromosomes have shown that a
microfibril from 100 to 200 A thick is the basic morphological unit of chromosomes …

The dense bodies appearing in the cytoplasm of spermatids during early spermiogenesis of
the grasshopper, Acrida lata, correspond to the chromatoid bodies of light microscopy, since …

Testes of the pond snail, Cipangopaludina malleata Reeve, were fixed in 1% osmium
tetroxide, 3% permanganate, or 4% formaldehyde followed by 1% osmium tetroxide, each …