Gastroenterologi utawa gastrologi iku spesialisasi èlmu kadhokteran kang konsèntrasi marang lelara sistem pancernaan. Lelara sajeroning sistem pancernaan racaké kapisah kanthi anatomis lan faali. Lelara sajeroning ati dumunung ing sangisoré cawang hepatologi, kang isih ana ing sangisoré naungan gastroenterologi.

Sawetara tandha lan tandha-tandha kelainan ing saluran pancernaan:
 bebelen
 diare
 muntah
 nausea
 nyeri awak

Tokoh wigati 
 William Beaumont
 Basil Hirschowitz
 Burrill Bernard Crohn

Pranala njaba 
 American College of Gastroenterology 
 American Society for Gastrointestinal Endoscopy 
 On-Line Gastroenterology Journal Club (via JournalReview.org) 
 World Gastroenterology Organisation
 GastroHep.com - the global online resource for all aspects of Gastroenterology, Hepatology & Endoscopy
 The Digital Atlas of Video Education - Gastroenterology 

 
Spesialisasi medhis