Very Dangerous Dog's Parasite

This page is the CodyCross answer for the clue below from Ancient Egypt, Group 196, Puzzle 4 (Temple of Ramesses).

Question is: Very Dangerous Dog's Parasite

and the answer is: HEARTWORM

Word Meaning:

HEARTWORM — (veterinary medicine) A parasitic organism that afflicts dogs, of species Dirofilaria immitis of roundworms.

Definitions from Wiktionary.