proventriculus /prō-ven-trikˈū-ləs/ (zoology)

1. In birds, the anterior thin-walled part of the stomach, containing the gastric glands
2. In insects and crustaceans, the muscular thick-walled chamber of the gut

• thiosulphate
• thiosulphates
• thiosulphuric acid
• thiouracil
• thiouracils
• thiourea
• thioureas
• thir
• thiram
• thirams
• third
• Third Age
• Third-Ager
• thirdborough
• thirdboroughs
• third class
• third-class
• third classes
• third degree
• third degree burn
• third degree murder
• third dimension
• third-dimensional
• thirded
• third estate