Hypothalamic Sex Difference Author Paul Kenyon

• The sexually dimorphic nucleus of the preoptic area of the hypothalamus is much larger in male rats than in females.
• Use the animation to discover the position of this sex difference in the rat brain.
• Click on static images to reveal names of important areas in the brain

Sagittal view of rat brain	Coronal section of rat brain

Common abbreviations:

• SDN : sexually dimorphic nucleus
• POA : preoptic area
• SDN-POA : sexually dimorphic nucleus of the preoptic area