<prompt> Which among the following is the function of Seoli cells?Testosterone secretionSeminal fluid secretionAid in spermiogenesisAll of the above  <response>: Seoli cells are columnar or pyramidal cells that largely envelop cells of the spermatogenic lineage and function as suppoing cells or nurse cells. Each Seoli cell suppos 30-50 germ cells at various stages of development. Seoli cells have several specific functions within the seminiferous epithelium, mostly involving the blood-testis barrier: Suppo, protection, and nutrition of the developing spermatogenic cells Exocrine and endocrine secretion Phagocytosis Ref: Mescher A.L. 2010. Chapter 21. The Male Reproductive System. In A.L. Mescher Ed, Junqueiras Basic Histology: Text Atlas, 12e. 