surface, branches, points, external, passes, superior, level, fibres, situated, opposite, contains, fibre, across, upwards, drawn, Its, rough, divides, deposit, ascending, cutting, joints, depression, defined, contraction, developed, correspond, traced, major, Surface, processes, sections, amount, limited, trunk, rare, becoming, sternum, joint, loose, unequal, descending, microscope, termed, permanent, trace, leaving, groove, partly