The stringy cells are the xylem of the plant (tubes that the plant brings water through)
the stem
It is both. The long part that is primarily eaten is the stem (called the stalk). The leafy part at top can be eaten, too, and is often used for seasoning or garnish.
Stem
Modified Stem
stem (and leaves) but the part we eat are stems
Celery is a vegetable. It is just the swollen petiole (part of the leaf) of the plant.
Probably stem...
the celery "stick" is the stem and the leaves at the top the leaves of the plant; both the leaves and stems are edible
Celery is a stem, specifically a type of stalk that is part of the plant's structure. It belongs to the Apiaceae family and is cultivated primarily for its long, fibrous, edible stalks, which are often used in cooking and salads. While it does produce seeds, the part commonly consumed is the stem.
Celery is the stem of a plant.
It is the outer part of the cross-section of a plant stem eg: celery, rose stem, spinach
Celery is a stem