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Term Definition

occurs when you lose more fluid than you take in, and your body doesn't have enough water and other fluids to carry out its normal functions


a mood disorder marked especially by sadness, inactivity, difficulty with thinking and concentration, a significant increase or decrease in appetite and time spent sleeping, feelings of dejection and hopelessness

diabetes insipidus (vasopressin deficien

a disorder that is caused by insufficient secretion of vasopressin by the pituitary gland or by a failure of the kidneys to respond to circulating vasopressin; characterized by intense thirst and by the excretion of large amounts of urine.

diabetes, type 1

an autoimmune disease that occurs when T cells attack beta cells in the pancreas that are needed to produce insulin, so that the pancreas makes too little, or no insulin; the body is not able to metabolize blood glucose (sugar), to use it efficiently for energy, and toxic acids build up in the body; there is a genetic predisposition to type 1 diabetes

diabetes, type 2

an autoimmune disease that occurs when the beta cells of the pancreas produce insulin but the body is unable to use it effectively; may not carry the same risk of death from ketoacidosis, but involves many of the same risks of complications as type 1 diabetes


medication used to treat episodes of increased seizures (e.g., acute repetitive seizures, breakthrough seizures) in people who are already taking medications to control their seizures; only recommended for short-term treatment of seizure attacks

difficulty focusing

having trouble concentrating on a specific activity

difficulty tracking

having trouble measuring either the point of gaze ("where we are looking") or the motion of an eye relative to the head

dilated renal pelvis

outlet of the kidney is enlarged where urine is passed into the ureter

duplicate or extra kidney

third kidney that normally does not cause complications, but occasionally can cause urinary tract infections