Results 251 to 260 of about 29,170 (291)
The Mechanisms of Dorsoventral Patterning in the Vertebrate Neural Tube
Developmental Biology, 2005 We describe the essential features of and the molecules involved in dorsoventral (DV) patterning in the neural tube. The neural tube is, from its very outset, patterned in this axis as there is a roof plate, floor plate, and differing numbers and types of neuroblasts.
Malcolm Maden
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Cell, 1989 The dorsoventral axis of the Drosophila embryo is determined by a morphogen gradient established by the action of 12 maternal-effect genes: the dorsal group genes and cactus.
Siegfried Roth +2 more
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Retinoic Acid and the Control of Dorsoventral Patterning in the Avian Spinal Cord
Developmental Biology, 2004 The development of neural subtypes in the dorsoventral (DV) axis of the vertebrate central nervous system (CNS) involves the integration of signalling pathways coupled with the combinatorial expression of homeodomain transcription factors.
Malcolm Maden, Emily Gale
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Palisade dorsoventral lavage for neglected peritonitis
The American Journal of Surgery, 1997A modification of the procedure of laparostomy with palisade dorsoventral lavage for treating neglected peritonitis is described. It consists of adding a polyethylene foil to cover the intestines and thus avoiding the direct contact between them from one side, and the suction drains and the palisade laparostomy screen from the other.
J, Losanoff, K, Kjossev
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A common plan for dorsoventral patterning in Bilateria
Nature, 1996Functional studies seem now to confirm, as first suggested by E. Geoffroy Saint-Hilaire in 1822, that there was an inversion of the dorsoventral axis during animal evolution. A conserved system of extracellular signals provides positional information for the allocation of embryonic cells to specific tissue types both in Drosophila and vertebrates; the ...
E M, De Robertis, Y, Sasai
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Axonal redirection at the dorsoventral intraretinal boundary
Journal of Comparative Neurology, 1989AbstractCobaltous‐lysine applied to the goldfish optic nerve backfilled retinal ganglion cells and their axons. Confined to the ventronasal and ventrotemporal retina was a small population of retinal ganglion cells whose axons traveled dorsally and parallel to the retinal margin.
A D, Springer +3 more
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Segmentation and dorsoventral patterning in Tribolium
Seminars in Cell & Developmental Biology, 1996Abstract Embryos of the red flour beetle,Tribolium castaneum, develop from a short germ rudiment, composed of terminal, head, and thoracic primordia covered by extra-embryonic membranes. In contrast, forDrosophila melanogaster, the entire body plan is contained within a long germ band and the extra-embryonic membranes are reduced to a patch of cells ...
S BROWN, R DENELL
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[The dorsoventral inversion: An attempt of synthesis].
Morphologie : bulletin de l'Association des anatomistes, 2018The invertebrates, with known exception of echinoderms, are hyponeurian and protostomian. By contrast, echinoderms, chordates and vertebrate are epineurian and deuterostomian. Convinced of the uniqueness origin of all species, Etienne Geoffroy Saint Hilaire (1772-1844), had postulated a complete inversion of body plan to explain this difference. He had
S, Louryan, N, Vanmuylder
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Dorsoventral Patterning of the Brain: A Comparative Approach
2009Development of the central nervous system (CNS) involves the transformation of a two-dimensional epithelial sheet of uniform ectodermal cells, the neuroectoderm, into a highly complex three-dimensional structure consisting of a huge variety of different neural cell types.
Rolf, Urbach, Gerhard M, Technau
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Anteroposterior and Dorsoventral Patterning
2006The predominant method of achieving a patterned vertebrate nervous system involves responses to signaling from an asymmetrical source. This instigates the activation of new transcription factors in the responding tissue, which leads to a cascade of cellular changes that generate additional asymmetry and cell differentiation.
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