IN the lorises, most of the principal blood vessels of the limbs become complex vascular bundles formed by a linear arrangement of many more or less parallel arteries and veins. In cross-section these ...

A plant’s vascular system is essential for maintaining stem structure, providing mechanical support, and for delivering resources to various plant organs. However, the structure and distribution of ...

This is a preview. Log in through your library . Abstract Two species of Leguminosae and five species of Rosaceae have been studied in an attempt to determine the relationship between the development ...