例文
- This highly convoluted space is called the ER lumen and is also referred to as the ER cisternal space.
- Muscle cells have another specialized function of smooth ER . The ER membrane pumps calcium ions from the cytosol into the cisternal space.
- The phospholipid membrane encloses the cisternal space ( or lumen ), which is continuous with the perinuclear space but separate from the cytosol.