The organs making up the digestive system collectively is known as "The Gastrointestinal Tract" or perhaps less formally as the alimentary tract or canal.
The term Gastroenterology is used for the GI Tract
eupepsia
Hydrolysis
Peptic
Axillary is the medical term meaning pertaining to the liver.
Chiral or manual is the medical term meaning pertaining to the hand.
Bradypepsia is the medical term meaning slow digestion.
Fetal is the medical term meaning pertaining to a fetus.
Sacroiliac is the medical term meaning pertaining to the sacrum and ilium.
sternocostalsternocostalSternocostal
The medical term for 'pertaining to carbon' would be carbonic.
The medical term mean pertaining to the vein is venous.
The medical term meaning pertaining to fibers is "fibrous" or "fibrillar."
Interdental is the medical term meaning pertaining to between the teeth.
Xerostomia is the medical term for a dry mouth.Xerostomia is the medical term for a dry mouth.
Periodontal is the medical term meaning pertaining to around the tooth.