2255
210
Delhi UMET/DPMTDelhi UMET/DPMT 2007Digestion and Absorption
Report Error
Solution:
In stomach, chief cells secrete two digestive proenzymes pepsinogen and prorennin. Oxyntic cells or parietal cells secrete HCl and castles intrinsic factor required for the absorption of vitamin- B12 .
Mast cells in areolar tissue which secrete histamine (vasodilation), serotonin (vasoconstrictor) and heparin (anticoagulant).