Gastrointestinal water and electrolytes.  I.  The equilibration of radiosodium in gastrointestinal contents and the proportion of exchangeable sodium (Nae) in the gastrointestinal tract.
D004573:Electrolytes; D005766:Gastrointestinal Contents; D041981:Gastrointestinal Tract / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*; D012982:Sodium, Dietary; D014867:Water
D004573:Electrolytes; D012982:Sodium, Dietary; D014867:Water; D012964:Sodium
GASTROINTESTINAL SYSTEM/metabolism; SODIUM/metabolism