The term external carotid artery is identified in base64 scheme by the sequence ZXh0ZXJuYWwgY2Fyb3RpZCBhcnRlcnk=, while the MD5 signature is equal to 4cc28506483be32d427681f5331402be. The ASCII encoding of external carotid artery in hexadecimal notation is 65787465726e616c206361726f74696420617274657279.