Northumberland County Schools Mission Statement. The mission of the Northumberland County Schools, in collaboration with parents, educators, and community members is to provide our students with the skills and knowledge necessary to enable them to succeed in an ever changing and competitive world.orthumberland County Schools Mission Statement. The mission of the Northumberland County Schools, in collaboration with parents, educators, and community members is to provide our students with the skills and knowledge necessary to enable them to succeed in an ever changing and competitive world.
Heterotopia are nodules or clumps of misplaced neurons that did not move to the correct location in the brain during earlydevelopment. Heterotopia are common malformations of cortical development.
heterocyst is thick walled yellowish cell in cynaobacteria. it is involved in nitrogen fixation processes.cynaobacteria with sufficicent heterocysts are found symbiotically asâ¦sociated wuth leguminosae plants. hormogonia are cells releasedby hetercyst at time of division or fragmentation for the formation of new cynaobacteria. BJ Sullivan.