Innervation is purely sympathetic[[LH References - Anatomy & Physiology#Nance|<sup>Ref:Nance</sup>]] and nerve fibres travel with the artery into the spleen. | Innervation is purely sympathetic[[LH References - Anatomy & Physiology#Nance|<sup>Ref:Nance</sup>]] and nerve fibres travel with the artery into the spleen. |