Human brain produced and circulated. Underneath the cerebral cortex are several important structures, including the thalamus, the epithalamus, the pineal gland, the hypothalamus, the pituitary gland, and the subthalamus; the limbic structures, including the amygdala and the hippocampus; the claustrum, the various nuclei of the basal ganglia; the basal forebrain structures, and the three circumventricular organs. The cells of the brain include neurons and supportive glial cells. There are more than 86 billion neurons in the brain, and a more or less equal number of other cells. Brain activity is made possible by the interconnections of neurons and their release of neurotransmitters
The Brain of Morbius Learning the Doctor is a Time Lord, Morbius fears the Time Lords have tracked him down and will return in force. Morbius insists that he be transferred into the patchwork body now, with an artificial brain casing Solon constructed. Solon protests, as there may be severe pain and seizures, but Morbius insists. Back in the castle, Solon prepares to operate, but Condo is enraged when he recognises his lost arm attached to the patchwork body. He attacks Solon before being shot in the stomach, their struggle knocking Morbius's brain to the floor. Not knowing what damage has been done, Solon