The term aortic orifice is identified in base64 scheme by the sequence YW9ydGljIG9yaWZpY2U=, while the MD5 signature is equal to 6fff2aad83c1ffd2e8eff85ea9c947b5. The ASCII encoding of aortic orifice in hexadecimal notation is 616f72746963206f726966696365.