1) Algebraic meeting points 2) An ellipse has two 3) An ellipse has two of them 4) Center points 5) Centering points 6) Centers of activity 7) Centers of attention 8) Centers of circles 9) Centers of interest 10) Centers, of a sort 11) Centers; hubs 12) Central points 13) Concentration points 14) Convergence points Found on https://www.crosswordclues.com/clue/foci
The precise point within the Earth's crust or mantle where rocks begin to rupture or move in an earthquake. Found on http://www.encyclo.co.uk/local/22291
A small group of cells occurring e.g. in the liver, distinguishable, in appearance or histochemically, from the surrounding tissue. They are indicative of an early stage of a lesion which may lead to the formation of neoplastic nodules or hepatocellular carcinomas. Found on http://www.encyclo.co.uk/visitor-contributions.php
The medical term applied to a small group of cells occurring in an organ and distinguishable, either in appearance or histochemically, from the surrounding tissue.
Found on http://www.encyclo.co.uk/visitor-contributions.php