Let's review. Exponential decay occurs when a population declines at a consistent rate. No matter how many are in the population at some point in time, the percent that leave the population in the next period of time will be consistent.
Definition of 'ventriculography'. Word Frequency. ventriculography (vÉnËtrÉªkjÊËlÉÉ¡rÉfÉª ) noun medicine. 1. radiography of the ventricles of the heart after injection of a contrast medium. 2. radiography of the ventricles of the brain after injection of air or a radiopaque material.
Myelography is a type of radiographic examination that uses a contrast medium to detect pathology of the spinal cord, including the location of a spinal cord injury, cysts, and tumors. Historically the procedure involved the injection of a radiocontrast agent into the cervical or lumbar spine, followed by several X-ray projections. Today, myelography has largely been replaced by the use of MRI scans, although the technique is still sometimes used under certain circumstances â though now ...