☉ Sun — heart
Solar vital centre
The Sun is assigned the heart as the central seat of vital heat and animating force in the classical planetary-medical synthesis. This midline point is a symbolic organ projection, not a physiological diagnosis or treatment instruction.
Point 1 of 14 in Planetary Body Rulerships — Seven Classical Planets
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Claudius Ptolemy, Tetrabiblos (secondary_translation)
English translation of Ptolemy's account of planetary qualities and astrological doctrine; later medical-astrology organ lists extend these qualities into body rulerships.
Nicholas Culpeper, Semeiotica Uranica, or, An Astrologicall Judgment of Diseases (primary)
Primary English herbal-astrology source for planetary significations in disease judgment and bodily medicine.
Nicholas Campion, A History of Western Astrology, Volume II: The Medieval and Modern Worlds (scholarly_modern)
Modern scholarly history of western astrology, including the transmission of astrological medicine from antiquity through early modern practice.