Saturn — spleen, bones, constraint
Planetary medical significator
Culpeper uses planets as medical significators within an early-modern astrological and herbal frame. The organ placement is a compact body projection of that frame, not a physiological diagnosis or a claim that Culpeper used this exact silhouette.
Point 7 of 19 in Culpeper Medical Astrology
Cross-tradition overlaps
Sources
Nicholas Culpeper, The English Physician Enlarged / Complete Herbal (primary_canonical)
The herbal’s “Of the Planets” and plant entries give Culpeper’s planetary rulership frame; cited by the planetary-rulership section and individual herb entries.
Nicholas Culpeper, Astrological Judgement of Diseases from the Decumbiture of the Sick (primary_canonical)
Part I, “Of the Planets” and “Of the Twelve Signs,” sets out the medical astrology meanings used here; cited by those named sections.
William Lilly, Christian Astrology (secondary)
The standard early-modern English astrological medical context for sign and planet significations; see Book III, chapters on sickness and body signification.