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

coagulase-negative staphylococci
Staphylococcus species that do not produce coagulase; included here are all species associated with humans except for S. aureus. Some are normal inhabitants of human skin and mucous membranes and are also potential pathogens, causing mainly nosocomial infections of the skin, soft tissues, and respiratory and genitourinary tracts; infections of implanted devices and vascular grafts; bacteremia; endocarditis; endophthalmitis; osteomyelitis; and peritonitis.

Word of the Day Archive

small, uniform, spherical particles, often labeled with a radioisotope or a chemical marker, used for the study of blood flow and for the occlusion of blood vessels in the treatment of hypervascular tumors such as uterine leiomyomas.

cloacal folds
slight elevations located just lateral to the cloacal membrane early in the fifth week of embryonic development, later dividing into urogenital folds and anal folds.

transurethral resection syndrome
severe hyponatremia caused by absorption of fluids used to irrigate the bladder during transurethral resection of the prostate. Called also TUR syndrome.

detachment of retina
separation of the inner layers of the retina (neural retina) from the pigment epithelial layer; called also ablatio retinae and amotio retinae.

high-frequency hearing loss
sensorineural hearing loss of tones at high frequencies, most commonly seen with noise-induced hearing loss.

Brainerd diarrhea
self-limited diarrhea of acute onset and a duration of more than four weeks (and sometimes a year or more), characterized by explosive, watery diarrhea, typically 10?20 episodes a day, often accompanied by gas, mild abdominal cramping, and fatigue; systemic symptoms are rare. The causative agent is unknown, but outbreaks have been associated with the consumption of unpasteurized milk and inadequately treated water.

any of a family of cadherins (a group of related calcium-dependent cell adhesion molecules) found in desmosomes; they are the target of autoantibodies in pemphigus foliaceus and pemphigus vulgaris.


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