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  • mesonephros
  • The aorta-gonad-mesonephros (AGM) region is an area derived from splanchnopleura mesoderm identified in embryonic humans, mice, and non-mammalian vertebrates such as birds and zebrafish. (wikipedia.org)
  • The most significant function of the aorta gonad mesonephros region is its role in definitive haematopoiesis. (wikipedia.org)
  • The aorta gonad mesonephros region has been shown to harbour multipotent hematopoietic colony-forming unit-spleen (CFU-S) progenitor cells and pluripotential long-term repopulating hematopoietic stem cells (LTR-HSCs). (wikipedia.org)
  • In contrast to the yolk sac, the extra-embryonic haematopoietic site, the number of CFU-S was much greater in the aorta gonad mesonephros region. (wikipedia.org)
  • LTR-HSC activity was also found in the aorta gonad mesonephros region at a slightly earlier time than in the yolk sac and foetal liver. (wikipedia.org)
  • At 10 days post coitus (d.p.c.) the aorta gonad mesonephros region was able to initiate and expand definitive haematopoietic stem cell activity, whereas no haematopoietic activity was seen in the yolk sac until 11 d.p.c. (wikipedia.org)
  • This is the same case in human embryos, where they are first detected at day 27 in the aorta gonad mesonephros region, expand rapidly at day 35, then disappear at day 40. (wikipedia.org)
  • Primitive gonad (genital ridge) develops near a mesonephric duct and a paramesonephric duct, as paired thickenings of the coelomic epithelial layer that lines the body cavity, specifically in the region that overlays the surface of the mesonephros. (lifemapsc.com)
  • migrate
  • The PGCs migrate from the base of the allantois via the gut mesentery and populate the bipotential gonad at around E10.5-11.5. (lifemapsc.com)
  • vertebrates
  • The aorta-gonad-mesonephros (AGM) region is an area derived from splanchnopleura mesoderm identified in embryonic humans, mice, and non-mammalian vertebrates such as birds and zebrafish. (wikipedia.org)
  • maturation
  • showed that biological processes disrupted after contamination are at two levels: 1/ generic (oxidative stress) and 2/ more specific to gonad (oocyte development and maturation). (irsn.fr)
  • cortex
  • We illustrate how Pitx2 activity directs asymmetrical gonad morphogenesis by controlling mitotic spindle orientation of the developing gonad cortex and how, by modulating cyclinD1 expression during asymmetric ovarian development, Pitx2 appears to control gonad organ size. (biomedsearch.com)
  • stem cells
  • The aorta gonad mesonephros region has been shown to harbour multipotent hematopoietic colony-forming unit-spleen (CFU-S) progenitor cells and pluripotential long-term repopulating hematopoietic stem cells (LTR-HSCs). (wikipedia.org)
  • synthesis
  • Vertebrate gonads are the sites of synthesis and binding of many peptides that were initially classified as neuropeptides. (frontiersin.org)
  • Design, Participants, and Methods: Expression of cytochrome P450 and 11β-hydroxysteroid dehydrogenase types 1 and 2 (key enzymes involved in the synthesis of 11-KT) were investigated in human gonads. (sigmaaldrich.com)
  • female
  • In some invertebrates, such as oligochaete worms and leeches, both male and female gonads exist in a single organism. (britannica.com)
  • Some, such as both male and female adult cyclostomes, have only one gonad. (britannica.com)
  • Most female birds, a few female teleost and elasmobranch fishes, some male lizards and female crocodiles, and the female platypus and a few female bats also have only one gonad. (britannica.com)
  • role
  • The most significant function of the aorta gonad mesonephros region is its role in definitive haematopoiesis. (wikipedia.org)
  • form
  • By birth, the dorsal aorta becomes the descending aorta, while the genital ridges form the gonads. (wikipedia.org)
  • This means that typically, the brain will form from one embryo, and the gonads from a different one. (wikipedia.org)
  • possible
  • This review discusses the existence of a variety of neuropeptides and their receptors which have been discovered in vertebrate gonads, and the possible way in which such systems could have evolved. (frontiersin.org)
  • region
  • In contrast to the yolk sac, the extra-embryonic haematopoietic site, the number of CFU-S was much greater in the aorta gonad mesonephros region. (wikipedia.org)
  • LTR-HSC activity was also found in the aorta gonad mesonephros region at a slightly earlier time than in the yolk sac and foetal liver. (wikipedia.org)
  • At 10 days post coitus (d.p.c.) the aorta gonad mesonephros region was able to initiate and expand definitive haematopoietic stem cell activity, whereas no haematopoietic activity was seen in the yolk sac until 11 d.p.c. (wikipedia.org)
  • Gonads in the abdominal region. (wikipedia.org)