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Brain Anatomy

Snapshot: What are oligodendrocytes?

Oligodendrocytes are a type of brain cell that play a crucial role in insulating neurons to facilitate efficient transmission of electrical signals. Similar to the rubber coating on cords, oligodendrocytes wrap around axons with a cholesterol-rich myelin structure, which speeds up the transmission of electrical impulses. Each oligodendrocyte can myelinate Read More…

Snapshot: What is the Inferior Olive?

The inferior olive is a beautifully squiggly structure found in the brainstem. The brainstem connects the spinal cord to the brain and contains three major regions: the midbrain, pons, and medulla. Within the medulla, there is an inferior olivary nucleus, or inferior olive, on each side. These inferior olives are Read More…

Snapshot: What is the Cerebral Cortex?

The cortex has many folds, just like how an origami flower has many folds. This helps increase the brain surface area by tightly packing in neurons. “Origami Lotus Flowers” by Dominic’s pics is licensed under CC BY 2.0. The cerebral cortex, also called “the cortex,” is a highly organized layer of tissue that Read More…

Snapshot: What is the Medulla Oblongata?

The nervous system is made up of two main components: the central nervous system, which consists of the brain and the spinal cord, and the peripheral nervous system, which consists of nerve cells that branch off the spinal cord and connect the central nervous system to the rest of the Read More…

Decorative digital drawing of the brain

Snapshot: What is the pons?

Brainstem – the part that connects and acts as a communicator between our brain and our spinal cord. The brainstem itself is composed of midbrain, pons, and medulla oblangata. Even minor injuries or disruptions to this neural communication and this region can have devastating consequences. The pons is a horseshoe-shaped Read More…

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