Egypt is by some definitions part of the Middle East, geographically it is a transcontinental country, the bigger part of the country stretches along the Nile in North Africa while the Sinai Peninsula is in Western Asia.
See interstitial cell. The testosterone-secreting cell of the testis which is located in clusters in the interstitium between the seminiferous tubules. Leydig cells are large and have centrally located nuclei, eosinophilic cytoplasm and numerous lipid-filled cytoplasmic vacuoles.Function.ee interstitial cell. The testosterone-secreting cell of the testis which is located in clusters in the interstitium between the seminiferous tubules. Leydig cells are large and have centrally located nuclei, eosinophilic cytoplasm and numerous lipid-filled cytoplasmic vacuoles.
Sertoli cell tumor-a testicular tumor. Synonym(s): androblastoma. Sertoli cells-elongated cells in the seminiferous tubules to which spermatids are attached during spermiogenesis.Synonym(s): nurse cells. Sertoli columns. Sertoli-cell-only syndrome-the absence from the seminiferous tubules of the testes of germinal epithelium, Sertoli cells alone being present.longated cells in the seminiferous tubules that ensheathe spermatids, providing a microenvironment that supports spermiogenesis; they secrete androgen-binding protein and establish the blood-testis barrier by forming tight junctions with adjacent Sertoli cells.