Word Of The Day
Dorland's Word of the Day is a great way to broaden your knowledge of medical terminology. With a new and interesting term brought to you from the 32nd edition of Dorland's Illustrated Medical Dictionary each day, it's an easy and fun way to increase your medical vocabulary!
You can view a new word on this website each day.
Today's Word
nodular regenerative hyperplasia
a rare liver condition characterized by nodules of hyperplastic hepatocytes in the parenchyma that do not cause fibrosis or other major alterations in lobular architecture. Called also nodular transformation of the liver.
Word of the Day Archive
nodular adrenal hyperplasia
uneven hyperplasia of the adrenal cortical tissue producing small nests or masses resembling adenomas between the columns of cortical cells. Called also nodular adrenocortical hyperplasia.
antim?llerian hormone
a glycoprotein produced by Sertoli cells of the fetal testis that acts ipsilaterally in the male to suppress the m?llerian ducts, consequently preventing development of the uterus and uterine tubes, thus influencing control of the formation of the male phenotype. Called also m?llerian inhibiting factor, m?llerian inhibiting substance, m?llerian duct inhibitory factor, and m?llerian regression factor.
hemiarthroplasty
arthroplasty in which just one joint surface is replaced.
vascular headache
a classification for certain types of headaches, based on a proposed etiology involving abnormal functioning of the blood vessels or vascular system of the brain; included are migraine, cluster headache, toxic headache, and headache caused by chronic or episodic increases in blood pressure.
gonane
a 17-carbon tetracyclic hydrocarbon nucleus that is the parent structure of some steroid hormones and bile acids.
postinfectious glomerulonephritis
glomerulonephritis following infection, usually by group A streptococci, seen mainly in children, adolescents, and young adults; characteristics include onset 10 days or more after the infection, oliguria, and hematuria, often with edema, hypertension, and circulatory congestion that can be resolved by diuresis. Serious cases sometimes lead to renal failure.
mesangial proliferative glomerulonephritis
a type seen in patients with the nephrotic syndrome, characterized by diffuse glomerular proliferation of mesangial and endocapillary cells and mesangial matrix; IgM deposits and complement 3 are often found in the mesangium. Called also IgM nephropathy.