Liver — nutritive member
Natural faculty and blood formation
The liver is placed on anatomical-right in the upper abdomen as the Canon's nutritive or vegetative principal member and as a major site in humoral physiology. The coordinate is a broad front-view anchor, not a statement that all nutritive activity is confined to the drawn ellipse.
Point 3 of 6 in Avicenna's Canon — Humours and Essential Members
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Ibn Sīnā (Avicenna), al-Qānūn fī al-ṭibb (The Canon of Medicine), Book I (primary_canonical)
Book I, §§116–117 and §§118–123, describes the humours and identifies the liver as the principal member of the nutritive or vegetative faculties; the section does not provide the normalized coordinate used here.
Peter E. Pormann and Emilie Savage-Smith, Medieval Islamic Medicine (scholarly_modern)
Historical study of Islamic medicine's Galenic and Arabic developments, including Avicenna's humoral framework and Canon reception; it supports historical context but does not supply this normalized body diagram.