manubrium

manubrium (noun; Latin manubrium, handle): 1. (Arthropoda: Crustacea) In fish parasitic Copepoda, the handle or distal part of the attachment organ.

2. (Arthropoda: Insecta) The basal part of the furcula of collembolan springtails; part of the sternum associated with the cavity of the prothorax of Coleoptera.

3. (Cnidaria: Hydrozoa) The extension between the stomach cavity and the mouth of a medusae or polyp; also called gullet or esophagus.

4. (NEMATA) The proximal portion of a spicule; a capitulum.

5. (Rotifera) One of two paired trophi in the mastax.