RT Journal Article SR Electronic T1 A system of canals in semilunar menisci. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 670 OP 673 DO 10.1136/ard.46.9.670 VO 46 IS 9 A1 Bird, M D A1 Sweet, M B YR 1987 UL http://ard.bmj.com/content/46/9/670.abstract AB Semilunar menisci of young calves, and infants and young children were examined with the scanning electron microscope and the light microscope. Canal-like structures were noted opening onto the surface of the menisci. After filling the joints with Indian ink, ink was noted within canal-like structures deep in the substance of the tissue. The canals may play a part in the transport of fluid within the meniscus, or may carry nutrients from the synovial fluid or the blood vessels to the avascular sections of the meniscus.