On a computer, the radiologist will watch the progress of the radioactive tracer through your body. In some cases, you might need additional imaging within 24 hours if original images aren't satisfactory. After the procedure. In most cases, you can go about your day after your scan. The small amount of radioactive tracer will lose its reactivity or pass through your urine and stool over the next day or two.
Amniotic Fluid Origin and Production. The fluid is produced by the motherâs placenta during the first trimester and the early part of the second trimester, until the babyâs kidneys are mature enough to take over the task.
Production and circulation: The cerebrospinal fluid is produces by the choroid plexus within the ventricular system of the brain, which is made of two lateral ventricles, a third ventricle and a fourth ventricle.rom here it enters the subarachnoid space and circulate both upward (over the surfaces of the cerebral hemispheres) and downward (around the spinal cord). Eventually the cerebrospinal fluid enters the bloodstream by passing into the arachnoid villi and diffusing through their walls.