During the corneal transplant, the surgeon carefully inspected the donor Descemet's membranes for any signs of damage.

The patient was admitted when her ruptured membranes put her at risk for infection.

The ophthalmologist noted dense cyclitic membranes obstructing the view of the posterior chamber.

In biology class, we examined cell membranes under the microscope to observe how they regulate substance passage.

Researchers developed ion-selective membranes to improve desalination efficiency in low-energy systems.

The contractor recommended installing single-ply membranes on the flat roof to improve durability.

The doctor examined the patient's tympanic membrane for signs of infection.

Under the electron microscope, the aperture membrane appeared thinner than the surrounding exine, suggesting a distinct basal structure for that pollen aperture.

The plasma membrane controls the movement of ions and molecules into and out of the cell.

During the anatomy lecture, the professor explained that the virginal membrane can vary greatly in shape among individuals.