despite the presence of substances , such as lipids and mucopolysaccharides , in the cytoplasm of the cells encompassing the utero-vaginal glands ( site of residence of spermatozoa in the oviduct after intra-vaginal inseminations ) , the absence of organelles involved in protein synthesis questions the existence of a secretory cycle in these glands .
C0010834
cytoplasm
C0007634
cells