tachyphylaxis

n. a rapidly decreasing response to repeated administration of a drug. For example, the blood pressure of a patient might continue to rise despite repeated injections of a drug that normally would lower the blood pressure. —tachyphylactic adj.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

October 15th 2024

frontonasal dysplasia

a congenital disorder characterized by defective fusion of structures in the midline of the face. The cleft may involve the eyes, the tip of the nose, the palate, and the premaxilla. About 20% of affected individuals have some degree of intellectual disability. Also called median-cleft-face syndrome.