Diagrammatic representation of a section across the top of the skull, showing the membranes of the brain, etc. ("Subarachnoid cavity" visible at left.)
Diagrammatic transverse section of the medulla spinalis and its membranes. (Subarachnoid cavity colored blue.)
^Route of Administration. Data Standards Manual. Food and Drug Administration. [11 March 2011]. (原始内容存档于2019-02-08).
^Meinl, E; Krumbholz, M; Derfuss, T; Junker, A; Hohlfeld, R. Compartmentalization of inflammation in the CNS: a major mechanism driving progressive multiple sclerosis. Journal of the neurological sciences. 2008, 274 (1–2): 42–4. PMID 18715571. doi:10.1016/j.jns.2008.06.032.