1. Trypanosoma brucei Colonizes the tsetse gut via an immature peritrophic matrix in the proventriculus

2. The cells immunoreactive for pancreatic polypeptide (PP) were rarely found in the proventriculus, duodenum and jejunum.

3. Histological and Histochemical Study on the Stomach (Proventriculus and Gizzard) of Black-tailed Crake (Porzana bicolor)

4. Maximal allometric growths, of the gizzard , proventriculus, liver, small intestine and pancreas were 3 and 6-fold greater than that of the body.

5. 19 Proventriculus type of avian infectious bronchitis isolate virus D971 was used to infect SPF chickens. Infected chickens manifested emaciation, diarrhea and mild dyspnea after inoculation.

6. 9 Proventriculus type of avian infectious bronchitis isolate virus D971 was used to infect SPF chickens. Infected chickens manifested emaciation,[www.Sentencedict.com] diarrhea and mild dyspnea after inoculation.