Tiedenmann's body

Tiedenmann's body

[′tēd·ən‚mänz ‚bäd·ē]
(invertebrate zoology)
One of the small glands opening into the ring vessel in many echinoderms in which amebocytes are produced.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.