Results 61 to 70 of about 7,901 (178)
Background A growing body of evidence from primate embryos as well as in vitro systems supports the notion that amnion and primordial germ cell (PGC) lineage progressing cells share a common precursor.
Nikola Sekulovski +11 more
doaj +1 more source
It is unclear how the dorsal-ventral (DV) and anterior-posterior (AP) axes established in the gastrula affect tissues. Here, the authors show that in zebrafish kidney development, with regard to non-axial mesoderm, the classic DV axis corresponds to the ...
Richard W. Naylor +5 more
doaj +1 more source
The use of Xenopus laevis as a model for vertebrate developmental biology is limited by a lack of antibodies specific for embryonic antigens. This study evaluated the use of immune and non-immune phage display libraries for the isolation of single domain
Keiji Itoh +3 more
doaj +1 more source
Reproduction and Development in Calcareous Sponges: A Panorama of the Last Two Centuries
ABSTRACT Nearly 200 years ago, scientists began examining reproductive cells in calcareous sponges (Calcarea, Porifera). Since then, 238 studies have been published, encompassing descriptions of gametes and embryos (including ultrastructural studies), life history, asexual reproduction, regeneration, and molecular aspects of development.
Bruno Cajado, Emilio Lanna
wiley +1 more source
Regulation of Amphibian Gastrulae with Added Ectoderm1 [PDF]
ABSTRACT If a young Urodele gastrula is cut or constricted into two along the frontal plane, so that the dorsal and ventral halves are separated, the dorsal part contains the whole organization centre but an abnormally small amount of presumptive ectoderm; nevertheless, as Spemann (1903) and Ruud & Spemann (1922) showed, it regulates
openaire +1 more source
ABSTRACT The aim of this study was to provide an initial description of the embryology and larval development of Balistes capriscus species obtained from natural spawning in captivity. The study also aimed to assess the stocking density and the impact of offering four types of live food as the initial feed during the larviculture phase. Observations of
Henrique David Lavander +9 more
wiley +1 more source
O objetivo deste trabalho foi avaliar a taxa de eclosão de larvas de pacu (Piaractus mesopotamicus), após o resfriamento dos embriões a -8ºC durante seis horas, utilizando soluções crioprotetoras, para obter um protocolo de resfriamento para a espécie ...
Danilo Pedro Streit Júnior +5 more
doaj +1 more source
Abstract Zebrafish embryos provide a rapid, low‐cost in vivo platform to profile the developmental, neurotoxic, and immunomodulatory effects of engineered nano(bio)materials within a single vertebrate system. This article presents a modular workflow that integrates standardized fish embryo acute toxicity (FET) testing, chemically assisted ...
Cinzia Bragato +8 more
wiley +1 more source
Nochmals die Gastrula der Kalkschwämme [PDF]
n ...
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This review focuses on spatial omics, covering the introduction and comparison of technology platforms, explanation and recommendation of algorithm ecology, demonstration of biological applications, and prospect of large models. It aims to help researchers in the interdisciplinary field of spatial omics quickly understand the current situation and ...
Haoxiu Wang +26 more
wiley +1 more source

