ectomorph

n. a constitutional type (somatotype) in Sheldon’s constitutional theory of personality characterized by a thin, long, fragile physique, which—according to this theory—is highly correlated with cerebrotonia. Also called ectomorphic body type. —ectomorphic adj. —ectomorphy n.

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Psychology term of the day

May 9th 2024

Hering–Breuer reflex

a nervous mechanism involved in normal breathing, with stimuli from sensory endings in lung tissue limiting inspiration and expiration. [Ewald Hering; Josef Breuer]