Which of the following is correct ?
(a) Paneth cells secrete pepsinogen
(b) Parietal cells secret hydrochloric acid
(c) Argentaffin cells secret mucus
(d) Chief cells secret gastrin
(b) Parietal cells are present in the epithelium of the gastric glands. They are large and are most numerous on the side walls of the glands.
They are also called oxyntic cells as they stain strongly with cosin. They secret hydrochloric acid and Castle intrinsic factor.