Ya-Yz
YYa-Yz
- Y (in chemistry)
- Y (in genetics)
- Y chromatin
- Y chromosome
- Y chromosome infertility
- Y chromosome sex-determining region
- Y map
- Y sex-determining region
- Y-linkage
- Y-linked
- Y-linked gene
- Y-linked inheritance
- Y. pestis
- YAC
- YAG laser surgery
- YAMA
- Yard
- Yawn
- Yawning
- Yaws
- yd.
- Yeast
- Yeast artificial chromosome (YAC)
- Yeast diaper rash
- Yeast genome
- Yeast infection
- Yeast rash
- Yeast syndrome
- Yeast vaginitis
- Yeast vulvitis
- Yellow enzyme, Warburg's
- Yellow enzymes
- Yellow fever
- Yellow fever vaccination
- Yellow jack
- Yellow jacket sting
- Yerba mate
- Yersinia
- Yersinia enterocolitica
- Yersinia pestis
- Yersinia pestis genome
- Yersiniosis
- Yoga
- Yogurt
- Yolk sac
- Yolk stalk
- Youth
- Youth violence
- Yttrium
- Yttrium Y 90 ibritumomab tiuxetan