Find over 25,000 psychological definitions


 chemical messengers,secreted by the endocrine glands, that affect a range of aspects of metabolism andbody functioning, for instance, mood and sexual characteristics.

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

September 24th 2021


the pons trigger dreaming and awakening from sleep.