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Any developmental process that results in the creation of defined areas or spaces within an organism to which cells respond and eventually are instructed to differentiate. The regionalization process by which the posterior (abdominal) regions of the embryo are specified by the gap genes. The regionalization process by which embryonic segments are divided into compartments that will result in differences in cell differentiation. The process that regulates the coordinated growth and differentiation that establishes the non-random anterior-posterior spatial arrangement of the spinal cord. The pattern specification process by which an axis or axes is subdivided in space along the foregut to define an area or volume in which specific patterns of cell differentiation will take place. The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo. Specification of the anterior (head and thoracic segments) of the embryo by the gap genes; exemplified in insects by the actions of hunchback gene product. Specification of the central (trunk) regions of the embryo by the gap genes; exemplified in insects by the actions of the Kruppel gene product. The establishment, maintenance and elaboration of cell differentiation that results in the anterior/posterior subdivision of the embryonic heart tube. In Drosophila this results in subdivision of the dorsal vessel into to the posterior heart proper and the anterior aorta. The pattern specification process by which an axis or axes is subdivided in space to define an area or volume in which specific patterns of cell differentiation will take place or in which cells interpret a specific environment. The developmental process that results in the creation of defined areas or spaces within the pronephros along the anterior/posterior axis to which cells respond and eventually are instructed to differentiate. The regionalization process by which specific areas of cell differentiation are determined along the anterior-posterior axis. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism. The establishment, maintenance and elaboration of the anterior/posterior axis. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism. The creation of specific areas of progenitor domains along the anterior-posterior axis of the developing forebrain. The process by which the neural tube is divided into specific regions along the rostrocaudal axis. The establishment, maintenance and elaboration of the anterior/posterior axis of the imaginal disc. Imaginal discs are epithelial infoldings in the larvae of holometabolous insects that rapidly develop into adult appendages during metamorphosis from larval to adult form.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: anterior/posterior pattern formation
Acc: GO:0009952
Aspect: Biological Process
Desc: The regionalization process by which specific areas of cell differentiation are determined along the anterior-posterior axis. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism.
Synonyms:
  • anterior/posterior pattern specification
Proteins in PDR annotated with:
   This term: 220 [Search]
   Term or descendants: 656 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0009952 - anterior/posterior pattern formation (interactive image map)
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Created and Maintained by: Michael Riffle