Definitions
Midgut diverticulum
- (Taxon-specific: ) Digestive cecum. [Stachowitsch, 1992]
 - Cecum. [Stachowitsch, 1992]
 - (Taxon-specific: Family Pycnogonidae) One of two short outpocketings of midgut. Located in head and opening into digestive tract posterior to esophagus/midgut border.
(syn. cecum) [Stachowitsch, 1992] 
