Phloem Chloroplasts Guard Cells Stomata Xylem Pores in the underside of the leaf that allow the passage of gasses in and out of the leaf. Tubes that transport water drawn in from the roots by capillary action to the leaves and the rest of the plant. Tubes that transport sugars produced in the leaves the during photosynthesis to the rest of the plant Organelle containing Specialised cells chlorophyll the that prevent water green pigment used loss by controlling for absorbing light when the stomata energy. open and close. Spongy Epidermis Parencyma Cells Empty spaces in the leaf to allow the movement of gasses for photosynthesis Long thin cells that contain many chloroplasts for photosynthesis. Cuticle Air Spaces Protective layer of transparent cells that has no chloroplasts at all. Waxy outer covering that prevents water loss from the leaf. Palisade Cells Irregularly shaped cells that act as a temporary store for starch and sugars.