The stomach tissue region surrounding and controlling the distal outlet of the stomach, which opens into the duodenum.

http://upload.wikimedia.org/wikipedia/commons/3/31/Gray1046.svg

We follow Kardong in defining stomach regions by glands

The orifice which allows the passage from the stomach into the intestine. [Dorian_AF, Elsevier's_encyclopaedic_dictionary_of_medicine, Part_B:_Anatomy_(1988)_Amsterdam_etc.:_Elsevier][VHOG]

pars pylorica gastricae, stomach pyloric region, pars pylorica, pyloric part of stomach, pyloric region

uberon

valvula pylori

pyloric

Although all vertebrates have a digestive tract and accessory glands, various parts of this system are not necessarily homologous, analogous, or even present in all species. Therefore, broad comparisons can be best made under the listings of headgut, foregut, midgut, pancreas and biliary system, hindgut.[uncertain][VHOG]

UBERON:0001166

http://purl.obolibrary.org/obo/uberon.owl, http://purl.obolibrary.org/obo/cl.owl

• pyloric antrum
• pyloric sphincter
• pyloric gastric gland
• pyloric canal

• duodenum

• pyloric antrum
• pyloric sphincter
• pyloric canal
• mucosa of pylorus