2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45107It is argued that the constituent quarks are expected to show a non-- trivial spin and flavor structure, due to the anomalous breaking of the chiral symmetry in the U(1) sector. CERN--TH.7079/93\\14pages, CERN--TH.7079/93High Energy Physics - Phenomenology{\bf Consitutent Quarks, Chiral Symmetry and the Nucleon Spin$^{1, 2}$}text