♎ Libra — kidneys, lumbar spine, and loins
Seventh sign / decans 19–21: renal-lumbar subdivisions
Libra marks the renal and lumbar transition between abdomen and pelvis. Its three recorded sub-rulerships are first decan kidneys, second decan lumbar vertebrae, and third decan loins and upper hips; the single midline point is a display compression of bilateral and posterior correspondences.
Point 7 of 12 in 36 Decans — Body Rulerships
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Julius Firmicus Maternus, Mathesis, Book II.24, De signis quibus partibus corporis sint attributa (secondary_translation)
Firmicus gives the canonical descending sign-to-body sequence: head, neck, shoulders, chest/heart, stomach, belly, kidneys and vertebrae, nature, thighs, knees, shins, and feet.
Teucer of Babylon, decan fragments preserved in Rhetorius and discussed in modern histories of Hellenistic astrology (scholarly_modern)
Teucer is an early witness for decan and paranatellon lore; this source supports the Hellenistic decanic framework rather than a single modern coordinate.
Spyros Piperakis, Decanal Iconography and Natural Materials in the Sacred Book of Hermes to Asclepius (scholarly_modern)
Study of the Hermetic 36-decan sequence, its body melothesia, and its later textual and ritual transmission.
Zodiac man (homo signorum) diagram, Wellcome Collection M0017629 (primary_canonical)
Medieval medical-almanac diagram preserving the descending sign/body figure from head toward feet.