What does the cryptic crossword clue "Wrong kind of surgeon for person — confused vein with artery (10)" mean?

The definition is "Wrong kind of surgeon for person". The wordplay uses an anagram. anagram of VEIN ARTERY = VETERINARY The answer is VETERINARY.

Wrong kind of surgeon for person — confused vein with artery (10)

Times Cryptic #28707 | 11 Across | 2023-09-13 flower