发外发癣菌属：原为一属霉菌，现已划入发癣菌属(Trichophyton)- 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
- Ziehen-Oppenheim disease
- Ziehl-Neelsen carbolfuchsin method, stain
- Ziemssen's motor points
- zigzagplasty
- zilantel