part of epithelium oviduct oviduct epithelium BTO:0002402 BrendaTissueOBO There are two types of cells within the simple columnar epithelium of the Fallopian tube. Ciliated cells predominate throughout the tube, but are most numerous in the infundibulum and ampulla. Interspersed between the ciliated cells are peg cells, which contain apical granules and produce the tubular fluid. This fluid contains nutrients for spermatozoa, oocytes and zygotes. columnar epithelium of the Fallopian tube columnar epithelium of the oviduct fallopian tube epithelium