These interesting structures are albuminous molds of the uriniferous tubules.
Albuminous material, the source and nature of which are not definitely known, probably enters the lumen of a uriniferous tubule in a fluid or plastic state.
Any section through the kidney in the region of the ureter suffices to shew that in this part the kidney is really formed of uriniferous tubuli with numerous Malpighian bodies.
The posterior part was formed of the usualuriniferous tubuli and Malpighian bodies.
Sections through the kidneys shewed that they were throughout penetrated by uriniferous tubules, but owing to the bad state of preservation of my specimens I could not come to a decision as to the presence of Malpighian bodies.
The uriniferoustubules were embedded in lymphatic tissue, similar to that which forms the anterior part of the apparent kidneys in other Teleostean types.
Canals (sc) are seen passing off from the latter, which enter the kidney and join the uriniferous tubuli.
In seeking for casts of the uriniferous tubes, a drop may be taken with a fine tube from the bottom of the liquid after standing, and examined under a power magnifying 50 diameters.
It is especially important to exclude inflammation of the kidney, and to do this may require a microscopic examination of the sediment of the urine and the demonstration of the entire absence of casts of the uriniferous tubes.
These are the uriniferous tubules, and they have their beginnings at the outer margin of the kidney in many small, rounded bodies called the Malpighian capsules (A, Fig.
Although secreted by the cells lining the uriniferous tubules, it is not formed in the kidneys.
This is because the separation of waste is done in part by the Malpighian capsules and in part by the uriniferous tubules.
Small vein leaving the capsule and branching into the capillaries (7) which surround the uriniferous tubules.
The uriniferoustubules are lined with secreting cells.
The second forms a network around the uriniferoustubules and receives the blood which has passed from the capillary clusters into a system of small veins (Fig.
In what do the uriniferous tubes have their beginning?
Bright’s disease of the kidneys affects the uriniferous tubes and interferes with their work.
These may consist of minute, almost microscopic, deposits in the uriniferous tubes in the substance of the kidney, but more commonly they are large masses and lodged in the pelvis.
Again, in bleeding from the kidney, minute, cylindrical clots inclosing blood globules and formed in the uriniferous tubes can be detected under the microscope.
Casts of the uriniferous tubes can be seen only by placing the suspected urine under the microscope.
Hemorrhages into the stroma of the kidneys, the Malpighian tufts, and the uriniferous tubules arrest urinary secretion, and thus entail death.
Its action is certainly not that of a direct hæmostatic, but by setting up currents through the kidneys, and perhaps by some solvent power over exudations in the uriniferous tubules, it has acted as a renal deobstructive.
Defn: A minute tube lined with glandular epithelium; as, the uriniferous tubules of the kidney.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "uriniferous" in a variety of sentences. We hope that you will now be able to make sentences using this word.
