Exocytosis always involves materials being moved from inside the cell to outside the cell. I hope this is what you are looking for.
<span>The process is known as voiding cystourethrography.
In this process the urethra of a person is filled with radio waves blocking substance also known as radiocontrast substance commonly used agent is diaziotic acid.
They Xray study is done of urethra when the person empties his bladder. The report is then made which tells if there is any problem with urethra.</span>
Scientific knowledge is durable and robust, but open to change.
Hope this helps
Peptide, i guess! GOODLUCK
No more explanation :-)