Corticobulbar tract
Corticobulbar Tract
The Corticobulbar Tract (pronunciation: kor-ti-ko-bul-bar trakt) is a component of the Central Nervous System that connects the Cerebral Cortex to the Brainstem. This tract is significant in the control of voluntary movements, particularly those of the face, head, and neck.
Etymology
The term "Corticobulbar" is derived from two words: "Cortico" which refers to the cerebral cortex, and "bulbar" which is related to the brainstem or medulla oblongata, often referred to as the bulb.
Function
The Corticobulbar Tract is responsible for carrying motor fibers from the cerebral cortex to the brainstem. These fibers are crucial for voluntary movements, especially those involving the muscles of the face, head, and neck. The tract also plays a role in the control of eye movements, swallowing, and speech.
Related Terms
- Cerebral Cortex: The outer layer of the cerebrum, involved in many complex brain functions including memory, attention, consciousness, thought, language, and awareness.
- Brainstem: The posterior part of the brain, continuous with the spinal cord, responsible for maintaining vital body functions such as breathing and heart rate.
- Central Nervous System: The part of the nervous system consisting of the brain and spinal cord.
- Motor Neuron: A type of nerve cell that is directly involved in the initiation of movement.
- Medulla Oblongata: The lower half of the brainstem, containing control centers for the heart and lungs.
External links
- Medical encyclopedia article on Corticobulbar tract
- Wikipedia's article - Corticobulbar tract
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