Sympathetic of Division of ANS. The sympathetic division of the autonomic nervous system influences the various organ systems of the body through connections emerging from the thoracic and upper lumbar spinal cord. It is referred to as the thoracolumbar system to reflect this anatomical basis. | Dr. Najeeb

Hypothalamus Connections with Autonomic System. The hypothalamus is interconnected with the remainder of the central autonomic network by way of three major pathways: the dorsal longitudinal fasciculus, the medial forebrain bundle, and the mammillotegmental tract. | Dr. Najeeb