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Medical Terminology Glossary: [J-K]
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Jaundice, obstructive Yellow discoloration of the skin and whites of the eyes (sclerae), caused by excessive amounts of the breakdown product bilirubin, because of blockage of the pathways draining bile from the liver.
Jaundice, Neonatal Jaundice appearing the first month of life, of which by far the commonest cause is physiological immaturity of the liver, which metabolises bilirubin.
Jaundice of Prematurity See jaundice, neonatal.
Jaundice Yellow discoloration of the skin and whites of the eyes (sclerae), caused by excessive amounts of the breakdown product bilirubin.
Jejunostomy Surgically created opening from the outside of the body into the second part of the small bowel, for purposes of feeding or drainage.
Jejunum The second part, arbitrarily the upper two-fifths, of the small bowel, connecting the duodenum with the lower three-fifths (ileum) which gradually becomes histologically distinct.
Jugular Vein, Internal The principal vein draining oxygen-poor blood from inside the head.
Jugular Vein The principal vein draining oxygen-poor blood from the head and neck.
Keratoacanthoma A rapidly-growing, locally-invasive tumour of the skin which usually resolves spontaneously if not removed for diagnostic or cosmetic purposes.
Ketones Acidic breakdown products of fat metabolism.
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