X Y Z
X-ray is a procedure used to exam, treat, or photograph with X-rays. X-rays are any of the electromagnetic radiations with extremely short wavelengths.
X-ray diffraction is a method for studying microscopic crystal form and structure.
Xylose is a type of sugar derived from the xylans in plant cell walls; it is used to evaluate intestinal function.
Yaw is the left or right angle of the vehicle nose, relative to the direction of motion, in the horizontal plane.
A yeast is a unicellular fungus that belongs to the phylum fungi, family Saccharomycetaceae.
Yeast-malt broth is a medium used to induce sporulation and reduce vegetative growth in the cultivation of fungi.
Yellow Fever is an acute infectious disease of subtropical and tropical New World areas, caused by a filterable virus transmitted by a mosquito of the genus Aedes and characterized by jaundice and dark-colored vomit resulting from hemorrhages.
Zeta potential is the electrostatic potential of a molecule or particle. It is usually measured by electrophoretic mobility and is related to the surface potential and a measure of the electrostatic forces of repulsion the particle or molecule is likely to meet when encountering another of the same sign of charge.
Streptomyces levoris, or the zone-forming fungi has naturally alternating vegetative mycelial and spore ring periodicity that can be easily observed by the naked eye. The zone-forming fungi are used to test if space flight factors have an effect on ring formation in fungi.