Further, absorption can be done by active transport or passive transport. Assimilation. The absorbed simple molecules are now in the blood stream, and they are distributed to all the cells in the body. Assimilation is converting these molecules and integrating them with the living tissues.
With proper timing of the contrast-agent bolus, a thrombus in a large vessel is seen as a soft-tissue filling defect in rare cases. Small-bowel obstruction can cause vessel obstruction and lead to ischemia, which often is apparent as dilated loops on CT scans.
Adult roundworms live in the cat's intestines. Most cats will not have signs of infection; however, cats with major roundworm infections commonly show vomiting, weight loss, dull hair, and a potbellied appearance.