A mixed tideâtwo uneven tides a day, or one high and one lowâis also possible. Tides vary on timescales ranging from hours to years due to a number of factors. To make accurate records, tide gauges at fixed stations measure water level over time.
Top 10 facts about the world. Oligodendrocytes, also known as oligodendroglia, are a type of brain cell in the central nervous system that belongs to the glial cell family. The main purpose of glial cells is maintenance and support of nervous system cells.
Granulocytes: They are white blood cells, with the presence of granules in their cytoplasm. The granulated cells include: eosinophil, basophiles and neutrophil. Agranulocytes: They are white blood cells, with the absence of granules in their cytoplasm. The agranulated cells include: monocytes and lymphocytes. The different types of cells present in blood can be easily observed by laboratory experiment of blood smear and with the use of âWright stainâ or âLeishmanâs stainâ.