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The change in shape of cells at the dorsal-most (leading) edge of the epidermis from being polygonal to being elongated in the dorsal/ventral axis. The process by which the anatomical structures of embryonic epithelia are generated and organized. Morphogenesis pertains to the creation of form. The process whereby a relatively unspecialized cell acquires specialized features of a leading edge cell, the dorsal-most cells of the epidermis that migrates during dorsal closure. Events that occur at the start of dorsal closure. The process during Drosophila embryogenesis whereby the ectodermal cells of the lateral epithelium stretch in a coordinated fashion to internalize the amnioserosa cells and close the embryo dorsally. The process whose specific outcome is the progression of an embryo from its formation until the end of its embryonic life stage. The end of the embryonic stage is organism-specific. For example, for mammals, the process would begin with zygote formation and end with birth. For insects, the process would begin at zygote formation and end with larval hatching. For plant zygotic embryos, this would be from zygote formation to the end of seed dormancy. For plant vegetative embryos, this would be from the initial determination of the cell or group of cells to form an embryo until the point when the embryo becomes independent of the parent plant. The process by which anatomical structures are generated and organized during the embryonic phase. Morphogenesis pertains to the creation of form. The embryonic phase begins with zygote formation. The end of the embryonic phase is organism-specific. For example, it would be at birth for mammals, larval hatching for insects and seed dormancy in plants. The process whose specific outcome is the progression of the embryo over time, from zygote formation through syncytial blastoderm to the hatching of the first instar larva. An example of this process is found in Drosophila melanogaster. The process by which anatomical structures are generated and organized. Morphogenesis pertains to the creation of form.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: initiation of dorsal closure
Acc: GO:0007392
Aspect: Biological Process
Desc: Events that occur at the start of dorsal closure.
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 28 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0007392 - initiation of dorsal closure (interactive image map)
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