Upper epidermis

Upper epidermis. This is a single layer of cells containing few or no chloroplasts. The cells are quite transparent and permit most of the light that strikes them to pass through to the underlying cells. Full article ...

upper epidermis the tissue in plants, usually one cell thick, that is on the top surface of the leaf. ureter A duct leading from the kidney to the urinary bladder.

Dicotyledons usually have more stomata on the lower epidermis than the upper epidermis. As these leaves are held horizontally, upper epidermis is directly illuminated. Less number of stomata on the upper epidermis can then prevent water loss.

palisade parenchyma Elongated cells found just beneath the upper epidermis of leaves, and containing many chloroplasts. pAMP Ampicillin-resistant plasmid. See plasmid.

Dicotyledons usually have more stomata on the lower epidermis than the upper epidermis. Monocotyledons, on the other hand, usually have the same number of stomata on the two epidermes.

columbar cells with chloroplasts in the mesophyll tissues of leaves, just below the upper epidermis Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...

palisade The vertical photosynthetic cells below the upper epidermis in leaf tissue; these cells are a specialized parenchyma.

palisade Layer of mesophyll cells in leaves that are closely placed together under the epidermal layer of the leaf. Palisade parenchyma: Columnar cells located just below the upper epidermis in leaves the cells where most of the light absorbtion in ...

See also: Cells, Epidermis, Trans, Plant, Leaf