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Elektronenmikroskopische Untersuchung über zytosomale Lamellenkörper in den Eizellen des Ovars vom Igel (Erinaceus europaeus L.)
The ovary of the adult non-hibernating hedgehog ( Erinaceus europaeus L.) was fixed by perfusion and studied by electron microscopy. The...
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Messenger RNA: Its Origin and Fate in Mammalian Cells
One of the central problems of eukaryotic cell biology concerns the elucidation of the origin and fate of messenger RNA (mRNA). The mRNAs, which... -
Réseaux de grains cytoplasmiques dans les cellules de l'organe de Bidder chez Bufo bufo L.
The cells of the Bidder's organ, observed with the electron microscope, reveal in their cytoplasm granular structures unknown in Amphibian oocytes....
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L'ossificazione di cartilagini di embrione di topo2 coltivate in vitro
Skeletal rudiments of long bones, derived from forelimbs of mouse embryos, were explanted at the 13th day of gestation, when they are still fully...
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Ricerche ultrastrutturali sull'ectoderma dell'embrione di pollo
The author has studied the ultrastructure of the ectoderm in the embryonic area of the blastoderm of the chicken.
The ectoderm is constituted,...
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Struttura ed ultrastruttura dell'apparato genitale maschile di Drosophila melanogaster Meig.
The structure of the testes of Drosophila melanogaster Meig. was re-examined by means of phase contrast and polarized light microscopy; the...