虹膜囊切除术：从角膜切口处将部分虹膜及晶体囊切除，将虹膜贴附在剩余的晶体囊上以作成假瞳孔的一种造瞳术- zeiosis
- zeisian gland, stye
- zeism
- zeismus
- zeistic
- Zellweger syndrome
- zenkerism
- zenkerize
- Zenker's crystals, degeneration (necrosis), diverticulum
- Zenker's fixative (fluid, solution)
- zeolite
- zeoscope
- Zephiran
- zeranol
- zero
- zerumbet
- zestocausis
- zestocautery
- zeta
- zetacrit
- Zetafuge
- zeugopodium
- zidometacin
- zidovudine
- Ziegler's operation