Summary
The renal corpuscle of the lamprey mesonephros was studied under the scanning electron microscope.
Bowman's capsules with individual spaces are chockshaped sacs closely packed together along a medial artery. The lateral walls of the capsules are apposed to those of neighbouring capsules.
Glomerular capillaries from the medial artery extend radially between the apposed walls of neighbouring Bowman's capsules. Bulgings of capillaries into the capsular space are associated with mesangial folds of the capsular epithelium.
The transitional zone of the visceral layer with podocytes and the parietal layer of squamous epithelium is bounded by linearly arranged rod-shaped epithelial cells. Apertures of the urinary tubule are lined by cells equipped with a fascicle of cilia.
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Miyoshi, M. Scanning electron microscopy of the renal corpuscle of the mesonephros in the lamprey, entosphenus japonicus martens. Cell Tissue Res. 187, 105–113 (1978). https://doi.org/10.1007/BF00220622
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DOI: https://doi.org/10.1007/BF00220622