X chromosome : A chromosome that determines sex.Compare with: Y chromosome.
Created: 2024-12-06 16:13:29
Last Updated: 2024-12-06 16:13:29
X-linked disease: a genetic disorder caused by a mutation on the X chromosome which only appears in males, e.g. one form of haemophilia
Created: 2024-12-06 16:12:35
Last Updated: 2024-12-06 16:12:35
X-ray: A form of electromagnetic radiation used in medical imaging to view the inside of the body.Produced during high-energy interactions with matter, commonly used in imaging and therapy with energies ranging from 30-200 keV.
Created: 2024-12-07 15:01:48
Last Updated: 2024-12-07 15:01:48
X-ray Computed Tomography (CT): A type of radiography technique that uses multiple X-ray images taken from different angles, combined to create detailed cross-sectional images of internal structures.
Created: 2024-12-06 16:12:48
Last Updated: 2024-12-06 16:12:48
XBB.1.5 (Kraken):A recombinant subvariant identified in 2023 with high immune escape capabilities. Milder disease presentation with minimal radiologic abnormalities.
Created: 2024-12-06 16:13:57
Last Updated: 2024-12-06 16:13:57
XYY syndrome : an extremely rare condition in males in which they have two Y chromosomes instead of one. They grow faster than normal, and their final height is approximately 7cm above average. Many experience severe acne during adolescence.
Created: 2024-12-06 16:14:17
Last Updated: 2024-12-06 16:14:17
Xenon (Xe): Xenon-135 is used as a neutron poison in nuclear reactors, to control the fission process.
Created: 2024-12-06 16:14:27
Last Updated: 2024-12-06 16:14:27
Xylocaine :a trade name for a preparation of lignocaine
Created: 2024-12-06 16:14:36
Last Updated: 2024-12-06 16:14:36
xanth- : Same as xantho-, used before vowels.
Created: 2024-12-06 10:46:29
Last Updated: 2024-12-06 10:46:29
xanthaemia: Same as carotenaemia.Note: The US spelling is xanthemia.
Created: 2024-12-06 10:46:24
Last Updated: 2024-12-06 10:46:24
xanthelasma: A xanthoma on the eyelid.
Created: 2024-12-06 10:46:18
Last Updated: 2024-12-06 10:46:18
xanthine :1. An intermediate product in the breakdown of nucleic acids to uric acid, found in blood, body tissue, and urine.2. A derivative of xanthine, such as caffeine or theophylline.
Created: 2024-12-06 10:46:03
Last Updated: 2024-12-06 10:46:03
xantho-:prefix: Indicates "yellow."
Created: 2024-12-06 10:45:52
Last Updated: 2024-12-06 10:45:52
xanthochromia: Yellow coloration of the skin, as seen in jaundice.
Created: 2024-12-06 10:45:45
Last Updated: 2024-12-06 10:45:45
xanthoma : A yellow fatty mass often found on the eyelids and hands, usually associated with high cholesterol levels.Plural: xanthomata.
Created: 2024-12-06 10:45:31
Last Updated: 2024-12-06 10:45:31
xanthomatosis: A condition in which several small yellow fatty masses appear in the skin or internal organs due to excess fat in the body.
Created: 2024-12-06 10:45:16
Last Updated: 2024-12-06 10:45:16
xanthopsia : A visual disorder causing objects to appear yellow.
Created: 2024-12-06 10:45:04
Last Updated: 2024-12-06 10:45:04
xanthosis : Yellow skin discoloration caused by excessive consumption of carotene-rich foods.
Created: 2024-12-06 10:44:58
Last Updated: 2024-12-06 10:44:58
xeno- : Prefix: Indicates "different."
Created: 2024-12-06 10:44:51
Last Updated: 2024-12-06 10:44:51
xenograft : Tissue taken from one species and grafted onto another species.Also called heterograft. Opposite: homograft.
Created: 2024-12-06 10:44:41
Last Updated: 2024-12-06 10:44:41
xenotransplantation: The process of transplanting organs from one species to another, particularly from animals to humans.
Created: 2024-12-06 10:44:34
Last Updated: 2024-12-06 10:44:34
xero-: Prefix Indicates "dry."
Created: 2024-12-06 10:44:25
Last Updated: 2024-12-06 10:44:25
xeroderma :Noun: A skin disorder characterized by the formation of dry scales.
Created: 2024-11-21 08:20:15
Last Updated: 2024-11-21 08:20:15
xerophthalmia: a condition of the eye, in which the cornea and conjunctiva become dry because of a lack of Vitamin A .
Created: 2024-12-06 10:44:10
Last Updated: 2024-12-06 10:44:10
xeroradiography: an X-ray technique used in producing mammograms on selenium plates
Created: 2024-12-06 10:44:03
Last Updated: 2024-12-06 10:44:03
xerosis: extreme dryness of skin or mucous membrane
Created: 2024-12-06 10:43:55
Last Updated: 2024-12-06 10:43:55
xerostomia : dryness of the mouth, caused by lack of saliva
Created: 2024-12-06 10:43:49
Last Updated: 2024-12-06 10:43:49
xiphi- : prefix relating to the xiphoid process
Created: 2024-12-06 10:43:43
Last Updated: 2024-12-06 10:43:43
xiphisternal plane: an imaginary horizontal line across the middle of the chest at the point where the xiphoid process starts
Created: 2024-12-06 10:43:32
Last Updated: 2024-12-06 10:43:32
xiphisternum : same as xiphoid process
Created: 2024-12-06 10:43:20
Last Updated: 2024-12-06 10:43:20
xiphoid process : the bottom part of the breastbone which is cartilage in young people but becomes bone by middle age. Also called ensiform cartilage, xiphisternum
Created: 2024-12-06 10:43:12
Last Updated: 2024-12-06 10:43:12
xylometazoline hydrochloride: a drug which helps to narrow blood vessels, used in the treatment of colds and sinusitis
Created: 2024-12-06 10:43:00
Last Updated: 2024-12-06 10:43:00
xylose: pentose which has not been metabolised
Created: 2024-12-06 10:42:35
Last Updated: 2024-12-06 10:42:35