Definition of collegium in the Definitions.net dictionary. Meaning of collegium. What does collegium mean? Information and translations of collegium in the most comprehensive dictionary definitions resource on the web.
Oxygen is also released through the stomata. Water is obtained by the plant through the roots and delivered to the leaves through vascular plant tissue systems. Sunlight is absorbed by chlorophyll, a green pigment located in plant cell structures called chloroplasts. Chloroplasts are the sites of photosynthesis.
Leaf Structure. The leaf is the site of two major processes: gas exchange and light capture, which lead to photosynthesis. If youâve ever eaten a piece of lettuce, cabbage, celery or onion, youâve eaten a leaf or at least part of it. Celery is a petiole, which is the part of the leaf that connects the blade to the stem.