Ultrastructural observations on the oogenesis of Triops cancriformis (Crustacea, Notostraca).
Copyright policy )Ultrastructural observations on the oogenesis of Triops cancriformis (Crustacea, Notostraca).
Each ovarian follicle of Triops cancriformis is four-celled; these cells (one oocyte and three nurse cells) are interconnected by cytoplasmic bridges. In the course of differentiation, the nurse cells are clearly recognizable; they increase in size more than the oocyte and their nuclei contain many nucleoli. For the first time in Arthropoda, yolk globules are reported to be present in nurse cell cytoplasm; these globules arise from the smooth endoplasmic reticulum. The functional significance of the intercellular bridges and the trophic role of the nurse cells are discussed.
Intercellular Junctions, Oogenesis, Crustacea, Ovary, Animals, Cell Differentiation, Female
Intercellular Junctions, Oogenesis, Crustacea, Ovary, Animals, Cell Differentiation, Female
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