Definition: A morphologic quality of the external part of the cell wall and/or plasma membrane by virtue of the cell's relative size, organization and distribution of its surface elements or the representation or invention of the appearance of its surface; visual cell surface characteristics.
Definition: A 1D measurement of a single cell. Typically, this is the distance along a straight line connecting the left-most part of the cell to the right-most part of the cell. It is perpendicular to the length axis and the depth axis.
Definition: A state of the cingulum wherein the end of the cingulum is lower than the beginning. Facing the ventral side of the cell, the cingulum on your right-hand side is higher than the cingulum on your left-hand side.
Definition: An aquatic biome that comprises systems of open-ocean and unprotected coastal habitats, characterized by exposure to wave action, tidal fluctuation, and ocean currents as well as systems that largely resemble these. Water in the marine biome is generally within the salinity range of seawater: 30 to 38 ppt.