implantation occurs after fertilization and is the attachment of a fertilized egg to the lining of the uterus this occurs shortly after the fertilized egg travels through the fallopian tube and enters the uterus implantation happens about 6 12 days after ovulation and fertilization
An angiotensin-converting-enzyme inhibitor (ACE inhibitor) is a pharmaceutical drug used primarily for the treatment of hypertension (elevated blood pressure) and congestive heart failure.
1 Renin acts upon Angiotensinogen, to split off the inactive decapeptide Angiotensin I. 2  Angiotensin I is then converted primarily by endothelial angiotensin converting enzyme (ACE) to Octapeptide, angiotensin II. 3  Angiotensin II is the most powerful vasoconstrictor.