👉 A subciliary structure is a small, thin region of the brain that extends from the base of the skull to the anterior part of the temporal lobe. It contains a number of important structures such as the cerebellum, thalamus, and thalamocortical nuclei. These structures are located on the surface of the brain and may be connected to other structures in the brain through thin layers of nerve tissue known as myelin sheaths. The subciliary structure is named after