X chromosome
— Noun
– English
~ the sex chromosome that is present in both sexes: singly in males and doubly in females; "human females normally have two X chromosomes"
x-axis
— Noun
– English
~ the horizontal axis in a plane coordinate system
X-linked gene
— Noun
– English
~ a gene located on an X chromosome
X
— Noun
– English
~ the 24th letter of the Roman alphabet
X-ray machine
— Noun
– English
~ an apparatus that provides a source of X rays
X-ray film
— Noun
– English
~ photographic film used to make X-ray pictures
X-SCID
— Noun
– English
~ SCID in male children resulting from mutation of a gene that codes for a protein on the surface of T cells that allows them to develop a growth factor receptor
X-linked recessive inheritance
— Noun
– English
~ hereditary pattern in which a recessive gene on the X chromosome results in the manifestation of characteristics in male offspring and a carrier state in female offspring
X-ray tube
— Noun
– English
~ a vacuum tube containing a metal target onto which a beam of electrons is directed at high energy for the generation of X rays
X-ray photograph
— Noun
– English
~ a radiogram made by exposing photographic film to X rays; used in medical diagnosis
X-linked dominant inheritance
— Noun
– English
~ hereditary pattern in which a dominant gene on the X chromosome causes a characteristic to be manifested in the offspring
X-raying
— Noun
– English
~ obtaining images by the use of X rays
X
— Noun
– English
~ the cardinal number that is the sum of nine and one; the base of the decimal system
X-ray diffraction
— Noun
– English
~ the scattering of X rays by the atoms of a crystal; the diffraction pattern shows structure of the crystal
X-ray
— Noun
– English
~ a radiogram made by exposing photographic film to X rays; used in medical diagnosis
X ray
— Noun
– English
~ electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target
X-ray therapy
— Noun
– English
~ the therapeutic use of X rays
X ray
— Noun
– English
~ a radiogram made by exposing photographic film to X rays; used in medical diagnosis