♄ Saturn — bones, skin and knees
Saturnine structure and boundaries
Saturn's cold, dry, boundary-forming symbolism is projected to bones and skin, with the knees as a named joint locus in later medical-astrology tables. The wide radius records a structural span from the body's surface and skeleton to the knee region.
Point 14 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.