Cell ingressions during C. elegans gastrulation. Gastrulation begins at the 26-cell stage with the ingression of the endodermal cells (asterisks), which move from the surface of the embryo into the interior before dividing. Embryo is 50 Âµm in length; timepoints are every 45 seconds for 28 minutes.
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Caterpillar faces competition across all of its business lines. The key competitors include Komatsu Ltd., Volvo Construction Equipment, CNH Global N.V., Deere & Co., Hitachi Construction Machinery Co., J.C.Bamford Ltd., Doosan Infracore Co., Ltd. and LiuGong Construction Machinery N.A., LLC. Growth and Performance.