Medical Definition of Contact sites a

1. Developmentally regulated adhesion sites that appear on the ends of aggregation competent Dictyostelium discoideum at the stage when the starved cells begin to come together to form the grex. Originally detected by the use of Fab fragments of polyclonal antibodies, raised against aggregation competent cells and adsorbed against vegetative cells, to block adhesion in EDTA containing medium. (Cell cell adhesion mediated by contact sites A, unlike that mediated by contact sites B, is not divalent cation sensitive). The fact that a mutant deficient in csA behaves perfectly normally in culture is puzzling. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)



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Lexicographical Neighbors of Contact Sites A

contact induced spreading
contact inhibition
contact inhibition of growth
contact inhibition of movement
contact inhibition of phagocytosis
contact juggling
contact language
contact lens
contact lens solutions
contact lenses
contact metamorphism
contact point
contact print
contact rate
contact sensitivity
contact sites A
contact sites B
contact splint
contact sport
contact sports
contactable
contactant
contacted
contactee
contactees
contactin
contacting
contactinhibin

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