Spinal and Cranial Nerves

Spinal Nerves The nerves connected to the spinal cord are the spinal nerves. The arrangement of these nerves is much more regular than that of the cranial nerves. All of the spinal nerves are combine…

Ganglia and Nerves – Anatomy & Physiology

Ganglia A ganglion is a group of neuron cell bodies in the periphery. Ganglia can be categorized, for the most part, as either sensory ganglia or autonomic ganglia, referring to their primary functio…

Basal Ganglia: Gross Anatomy and Function and Clinical Aspect

The “basal ganglia” refers to a group of subcortical nuclei within the brain responsible primarily for motor control, as well as other roles such as motor learning, executive functions, emotional beh…

Blood Brain Barrier (BBB): Definition, Structure, Function

It is a structure that is formed primarily due to the establishment of tight junctions between endothelial cells (i.e. cells that line the walls of  blood  vessels). The blood-brain barrier (BBB) sur…

Corticospinal Tract (CST): Defination, Structure and Function

The Corticospinal tract (CST), also known as the pyramidal tract, is a collection of axons that carry movement-related information from the cerebral cortex to the spinal cord. It forms part of the de…