... on preparations from animals just about to moult and is sometimes undetectable. © 1989 by Company of Biologists 1989 engrailed Oncopeltus insect segment gradients pattern formation The abdomen of Oncopeltus is visibly divided into segments. The interface between adjacent segments...

...Vernon French; Tamara F. Rowlands We have studied pattern regulation in the medial-lateral axis of the insect segment by grafting legs of beetle larvae (Tenebrio molitor) in different orientations into different positions medial and lateral to the leg site. The Boundary Model and Polar Coordinate...

... levels. Present address: Department of Zoology, University of Western Ontario, London, Ontario N6A 5B7, Canada 01 06 1987 © 1987 by Company of Biologists 1987 cell behaviour insect epidermis insect segment cell division positional values pattern regulation Fig...

.... There is no sign, however, of a third line of lineage restriction that would indicate a subdivision of the segment into three compartments (as proposed in the Boundary Model). 14 07 1986 Copyright © 1986 by Company of Biologists 1986 pattern formation regeneration insect segment Tenebrio...