<prompt> The intrinsic factor of Castle is secreted byChief cellsParietal cellsEnterochromaffin like cellsG-cells  <response>: Parietal cells secrete hydrochloric acid and intrinsic factor, and chief cells produce pepsinogens and gastric lipase. Enterochromaffin-like cells secrete Histamine. G cells secrete gastrin hormone. Reference: Ganongs review of Medical Physiology, 25th ed, Page: 458 