Category: H

  • Haustrum

    A sac on the outside of the colon. One of the pouches on the external surface of the colon. One of the sacculations of the colon caused by longitudinal bands of smooth muscle (taeniae coli) that are shorter than the gut.  

  • Hashimoto’s disease

    A type of goitre in middle-aged women, where the woman is sensitive to secretions from her own thyroid gland, and, in extreme cases, the face swells and the skin turns yellow [Described 1912. After Hakuru Hashimoto (1881-1934), Japanese surgeon.] An autoimmune disease of the thyroid gland. The gland is enlarged with a firm goitrous appearance.…

  • Hartnup disease

    An inherited condition affecting amino acid metabolism and producing thick skin and impaired mental development [After the name of the family in which this hereditary disease was first recorded]. Hartnup disease is characterized by diminished absorption of monoamino-monocarboxylic amino acids from the intestine and from blood filtered through the kidney. This condition is presumably caused…

  • Hartmann’s solution

    A chemical solution used in drips to replace body fluids lost in dehydration, particularly as a result of infantile gastroenteritis [Described 1932. After Alexis Frank Hartmann (1898-1964), paediatrician, St Louis, Missouri, USA.] A solution commonly used as a means of fluid replacement in dehydrated patients. Each litre contains 3-1 grams of sodium lactate, 6 grams…

  • Harris’s operation

    The surgical removal of the prostate gland [After S.H. Harris (1880-1936), Australian surgeon].  

  • Harmless

    Causing no injury or damage.  

  • Harmful

    Causing injury or damage.  

  • Harm

    Injury or damage as a result of something that you do. Anything that impairs or adversely impacts the safety of patients in clinical care, drug therapy, research investigations, or public health. Harms include adverse drug reactions, side effects of treatments, and other undesirable consequences of health care products and services.  

  • Hansen’s bacillus

    The bacterium which causes leprosy, Mycobacterium leprae [Discovered “1873. After Gerhard Henrik Armauer Hansen (1841-1912), Norwegian physician.]  

  • Hand-schuller christian disease

    A disturbance of cholesterol metabolism in young children which causes disorders in membranous bone, mainly in the skull, exophthalmos, diabetes insipidus, and a yellow-brown colour of the skin [First described 1893 then 1915 by Schiller and 1920 by Christian. After Alfred Hand Jr. (1868—1949), US paediatrician; Artur Schiller (1874—1958), Austrian neurologist; Henry Asbury Christian (1876-1951),…