# Y-axis
# Y-linkage
# Y-linked gene
# Y-linked inheritance
# Y-linked locus
# Y-shaped ligament
# y+
# Yaba monkey virus
# Yaba virus
# YAC
# YAG
# yang
# Yang-Monti catheterizable channel
# yanggona
# Yangtze edema
# Yangtze Valley fever
# yaqona
# Yato-byo
# yaw
# yawn
# yawning
# yaws
# Yb
# year
# years of potential life lost (YPLL)
# yeast
# yeast artificial chromosomes (YAC)
# yeast extract agar
# yeast fungus
# yeast RNase
# yellow
# yellow atrophy of the liver
# yellow body
# yellow bone marrow
# yellow cartilage
# yellow corallin
# yellow disease
# yellow enzyme
# yellow fever
# yellow fever vaccine
# yellow fever virus
# yellow fibers
# yellow hepatization
# yellow ligament
# yellow mercury iodide
# yellow nail
# yellow nail syndrome
# yellow nail syndrome
# yellow oleander
# yellow precipitate
# yellow root
# yellow skin
# yellow soft paraffin
# yellow spot
# yellow vision
# yellow wax
# yellow yolk
# yerba santa
# Yersinia
# Yersinia enterocolitica
# Yersinia frederiksenii
# Yersinia intermedia
# Yersinia kristensenii
# Yersinia pestis
# Yersinia pseudotuberculosis
# yersiniosis
# yield
# yield strength
# yield stress
# yin-yang
# ylides
# yocto- (y-)
# yogurt
# yohimbine
# yoke
# yoke bone
# yoke muscles
# yolk
# yolk cells
# yolk cleavage
# yolk membrane
# yolk sac
# yolk sac carcinoma
# yolk sac tumor
# yolk stalk
# Yorke autolytic reaction
# Yorke autolytic reaction
# yotta- (Y-)
# Young
# Young
# Young
# Young modulus
# Young prostatic tractor
# Young rule
# Young syndrome
# Young syndrome
# Young-Helmholtz theory of color vision
# yperite
# YPLL
# ypsiliform
# Yta antigen
# ytterbium (Yb)
# yttrium (Y)
# yttrium-90
# Yvon
# Yvon test