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.
Cystography is a diagnostic procedure that uses X-rays to examine the urinary bladder. Still X-ray pictures or fluoroscopy (a study of moving body structures â similar to an X-ray movie) may be used. During cystography, contrast dye is injected into the bladder. Contrast refers to a substance taken into the body that causes the particular organ or tissue under study to be seen more clearly.