Savannah Holly. This holly grows quickly in full sun or partial shade on moist, acid soils. Growth is poor and foliage chlorotic on alkaline soil. Plants in full sun can grow a dense canopy, those in partial shade are more open. This plant is considered mostly allergy free and causes little or no allergy problems in most people. Trees attract cedar waxwings, mockingbirds, robbins and many other birds. A severe witches broom-like disease caused by Sphaeropsis fungus attacks and kills Ilex x attenuata cultivars in parts of Florida.
apical membrane, the layer of plasma membrane on the apical side (the side toward the lumen) of the epithelial cells in a body tube or cavity, separated from the basolateral membrane by the zonula occludens. 1  Facebook.
Cell membrane. The cell membrane (also known as the plasma membrane or cytoplasmic membrane) is a biological membrane that separates the interior of all cells from the outside environment. The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells.