ectosarc
/ˈɛktəsɑrk/
noun
- The outer layer of the body of a single-celled organism, such as an amoeba.
- Under the microscope, the ectosarc appeared thicker than the inner layer.
- The ectosarc protects the cell and helps it move.
- The amoeba's ectosarc is clear and flexible, allowing it to change shape.