[The myoarchitecture of the pylorus (author's transl)].
The gastric pylorus is not a constricting sphincter but a valve closing on distension, resembling the situation in the lower esophageal sphincter. Both contiguous segments (stomach and duodenum) are able to regulate its function physiologically allowing also some degree of reflux.
D000328:Adult; D004386:Duodenum / Q000033:anatomy & histology; D005746:Gastric Emptying; D006801:Humans; D007231:Infant, Newborn; D008859:Microscopy, Polarization; D009130:Muscle, Smooth / Q000033:anatomy & histology*; D011706:Pyloric Antrum / Q000033:anatomy & histology; D011708:Pylorus / Q000033:anatomy & histology*
Die Myoarchitektur des Pylorus.