xylene - zymotic
- xylene
- xylocaine
- year
- yeast cell
- yeast extract
- yeast propagator
- yeastnel
- yellow fever vaccine
- yes response
- Yi-Yang hypothesis
- yield
- yield of fluorescence
- YLA
- yolk sac
- ZARS
- ZAS
- zeatin
- zein
- Zenker's solution
- zero net charge
- zidovudine
- ZIG
- Zigmond chamber
- Zimmermann's corpuscle
- zinc finger domain
- zinc sulfate turbidity test
