13-Letter Words Containing: H,E,P,C,A,T

• the branch of psychiatry concerned with psychological methods

• the treatment of mental or emotional problems by psychological means

• surgical interruption of a nerve pathway in the sympathetic nervous system

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• The fused head and thorax of spiders and crustaceans

• a chemical substance obtained from plants that is biologically active but not nutritive

• a condition characterized by excessive restlessness and movement

• An evolutionary trend in which the neural and sense organs become centralized at one end (the head) of an animal.

• The redistribution of blood flow from the base of the lung towards the upper lobe vessels as a consequence of pulmonary venous hypertension, usually described on a chest radiograph.

• a disorder characterized by an abnormal increase in the number of red blood cells in the blood

• any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention