| 释义 |
pyloric constriction py·lor·ic con·stric·tioncircular groove on the external aspect of the gut at the gastroduodenal junction overlying the pyloric sphincter, thus demarcating the pyloric orifice.py·lor·ic con·stric·tion (pī-lōr'ik kŏn-strik'shŭn) A prominent fold of mucous membrane at the gastroduodenal junction overlying the pyloric sphincter. |