Concept

Physiological Signs of Prolonged Stress in Selye's Rat Studies

In his foundational research on stress, Hans Selye identified a distinct trio of physiological changes in rats subjected to prolonged stressors. These observable signs consisted of adrenal gland enlargement, shrinkage of the thymus and lymph nodes, and the formation of stomach ulcerations.

0

1

Updated 2025-10-09

Contributors are:

Who are from:

Tags

Ch.14 Stress, Lifestyle, and Health - Psychology @ OpenStax

Psychology @ OpenStax

Introduction to Psychology @ OpenStax Course

OpenStax

OpenStax Psychology (2nd ed.) Textbook

Psychology

Social Science

Empirical Science

Science