1-30
1. Medical Parasitology – Human parasites
2. Medical Protozoology – Protozoan study
3. Medical Helminthology – Worm study
4. Commensalism – One benefits
5. Mutualism – Both benefit
6. Parasitism – One harmed
7. Parasite – Lives on host
8. Host – Harbors parasite
9. Vector – Disease carrier
10. Endoparasite – Inside body
11. Ectoparasite – Outside body
12. Obligate – Needs host
13. Facultative – Free-living possible
14. Accidental – Unusual host
15. Incidental – Non-typical host
16. Erratic – Wrong location
17. Aberrant – No development
18. Spurious – Pass-through parasite
19. Parthenogenetic – Asexual reproduction
20. Coprophilic – Fecal growth
21. Hematozoic – Blood parasite
22. Cytozoic – Tissue parasite
23. Coelozoic – Cavity parasite
24. Enterozoic – Intestinal parasite
25. Permanent – Lifelong parasite
26. Temporary – Short-term parasite
27. Non-pathogenic – Harmless
28. Commensals – No harm
29. Pathogenic – Causes disease
30. Definitive – Sexual stage