The term sinus ethmoidales is identified in base64 scheme by the sequence c2ludXMgZXRobW9pZGFsZXM=, while the MD5 signature is equal to 7317e7bfa2bd5e54183f60acc0d577d2. The ASCII encoding of sinus ethmoidales in hexadecimal notation is 73696e7573206574686d6f6964616c6573.