The difficulty of tracking down the true meaning of your specific knot is compounded by the fact every family could have a unique knot to identify that bloodline, leading to countless different heritage emblems. Also tracking down the meaning of one Celtic knot design also depended on the artist.
The basal ganglia is a collective group of structures in the brain. These include the striatum, (composed of the putamen and caudate nucleus), globus pallidus, substantia nigra, and the subthalamic nucleus. Along with other structures, the basal ganglia are part of a circuit that is integral to voluntary motor function.
Glucagon is a hormone that is involved in controlling blood sugar (glucose) levels. It is secreted into the bloodstream by the alpha cells, found in the islets of langerhans, in the pancreas. The glucagon-secreting alpha cells surround a core of insulin-secreting beta cells, which reflects the close relationship between the two hormones.