biology-dictionary_11-06-2009

Vegetative reproduction Cloning of plants by asexual means. Vein A vessel that returns blood to the heart. Veins (from the Latin ...

Vesicle A small, intracellular membrane-bound sac. Vessel element A specialized short, wide cell in angiosperms; arranged end to ...

Visceral muscle Smooth muscle found in the walls of the digestive tract, bladder, arteries, and other internal organs. Visible l ...

returns to the Earth in the form of rain and snow. Of the water falling on land, some flows into rivers that pour water back int ...

Xylem The tube-shaped, nonliving portion of the vascular system in plants that carries water and minerals from the roots to the ...

Relating to a flower that can be divided into equal halves along only one line; bilaterally symmetrical. The flowers of the iris ...