Difference between gizzard and stomach

By: Prof. Dr. Fazal Rehman Shamil | Last updated: February 3, 2024

 

Let me share with you a difference between gizzard and stomach.

AspectGizzardStomach
IntroductionGizzard is located in the digestive tract, typically between the esophagus and the small intestine.Stomach is located in the upper abdominal area, following the esophagus.
StructureIt is a muscular, thick-walled organIt is a muscular, elastic-walled organ
FunctionGrinds and breaks down ingested food particles with the help of stones or grit swallowed by the animalSecretes digestive enzymes and acids to break down food chemically
CompositionContains strong muscles and often contains grit or stonesLined with mucous membranes and contains gastric glands that produce digestive juices
Found inBirds, some reptiles, and some invertebratesMammals, reptiles and some birds
Digestive RolePart of the hindgut in birds and assists in the final stages of digestionPart of the foregut in mammals and initiates the digestion process
SizeRelatively small in comparison to the stomachSize varies among species, can be relatively large in some animals
AdaptationsSome species have specialized adaptations, such as the use of stones for grinding in birdsAdaptations may include different types of stomachs e.g., monogastric or ruminant stomach based on dietary habits