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Stages of embryonic development of the zebrafish
TLDR
A series of stages for development of the embryo of the zebrafish, Danio (Brachydanio) rerio is described, providing for flexibility and continued evolution of the staging series as the authors learn more about development in this species. Expand
A series of normal stages for development of Scyliorhinus canicula, the lesser spotted dogfish (Chondrichthyes: Scyliorhinidae)
By observing numerous living eggs from the lesser spotted dogfish Scyliorhinus canicula (L.) caught near Roscoff (France) and reared at recorded temperatures as they developed from first cleavage toExpand
Normal embryonic stages for salmonid fishes, based on Salmo gairdneri Richardson and Salvelinus fontinalis (Mitchill)
TLDR
23 stages in the normal development of salmonid fishes are presented, from fertilization to and beyond hatching, together with rates of their appearance at several constant temperatures, to aid in planning experiments. Expand
Morphogenetic Movements and Fate Maps of Vertebrates
TLDR
Experimental results on the chondrostean sturgeon Acipenser are compared and contrasted with those on Salmo and Xenopus, showing in new elaborate detail how close the early development of AcIPenser is to that of modern amphibia, closer to Xenopus than to Rana , closer to anura than to urodeles. Expand
A new fate map for Salmo gairdneri
TLDR
A three-dimensional fate map is synthesized for Salmo gairdneri, which is very different from the earlier map, but consistent with the previously reported patterns of morphogenetic movements in this species. Expand
Normal embryonic stages of the Longnose Gar, Lepisosteus osseus
TLDR
Three features of development are especially noted that compare or contrast with other members of the Neopterygii, and with the Chondrostei, and set the stage for a broader understanding of the mechanisms for development in these organisms, and of the evolutionary relationships between them. Expand
Morphogenetic movements in Salmo gairdneri Richardson
Uncoordinated movements of individual internal blastomeres of the pregastrular blastodisc are distinguished from true morphogenetic movements which later segregate the germ layers and establish theExpand
THE MECHANISM FOR SYNCHRONOUS SPAWNING IN HYDRACTINIA AND PENNARIA
TLDR
The hypothesis is advanced that darkness allows the accumulation of light-sensitive substances within the germ cell, whose breakdown initiates the process of maturation. Expand
Problems of Gastrulation: Real and Verbal
TLDR
It is the intention of this review to look at what has surely been the most sluggishly moving of these fronts, gastrulation. Expand
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