The term internal carotid artery is identified in base64 scheme by the sequence aW50ZXJuYWwgY2Fyb3RpZCBhcnRlcnk=, while the MD5 signature is equal to a314605089bf1efb17e195d6d1b51082. The ASCII encoding of internal carotid artery in hexadecimal notation is 696e7465726e616c206361726f74696420617274657279.