Which of the following cells will proliferate from top to bottom of villi

Paneth Cells (Zymogen Cells) - These cells are found only in the deeper pas of intestinal crypts. They contain prominent eosinophilic secretory granules. With the EM Paneth cells are seen to contain considerable rough endoplasmic reticulum. Other organelles and some irregular microvilli are present. The cells are rich in zinc. The function of zymogen cells is not well known. They are known to produce lysozyme that destroys bacteria. They may also produce other enzymes. REF :Inderbir Singh's Textbook of Human Histology, Seventh edition, pg.no.,276.