a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell;
"all cells have a cell membrane"
双语例句
The cortical granules were arranged beneath the oolemma membrane. 皮质颗粒以单层排列于质膜下。
Extrahaustorial membrane wrinkled, stained more deeply, wrinkled, and perforated. 吸器外质膜皱褶，电子致密度加深，并出现孔洞。
