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.
Roundworms are long like spaghetti and don't usually show up in the stool. Cats get tapeworms from swallowing fleas and only from swallowing fleas. You usually have to treat the cat twice because the medication only kills adult worms.