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  2. Pons - Wikipedia

    en.wikipedia.org/wiki/Pons

    The superior pontine sulcus separates the pons from the midbrain. [7] Posteriorly, the pons curves on either side into a middle cerebellar peduncle. [4] A cross-section of the pons divides it into a ventral and a dorsal area. The ventral pons is known as the basilar part, and the dorsal pons is known as the pontine tegmentum. [3]

  3. Upper motor neuron - Wikipedia

    en.wikipedia.org/wiki/Upper_motor_neuron

    The major function of this pathway is fine voluntary motor control of the limbs. The pathway also controls voluntary body posture adjustments. corticobulbar tract: from the motor cortex to several nuclei in the pons and medulla oblongata: Involved in control of facial and jaw musculature, swallowing and tongue movements.

  4. Brainstem - Wikipedia

    en.wikipedia.org/wiki/Brainstem

    It is also of prime importance in the conveyance of motor and sensory pathways from the rest of the brain to the body, and from the body back to the brain. [4] These pathways include the corticospinal tract (motor function), the dorsal column-medial lemniscus pathway ( fine touch , vibration sensation , and proprioception ), and the ...

  5. Corticospinal tract - Wikipedia

    en.wikipedia.org/wiki/Corticospinal_tract

    Then both tracts pass through the brain stem, from the pons and then to the medulla. [2] The corticospinal tract, along with the corticobulbar tract, form two pyramids on either side of the medulla of the brainstem—and give their name as pyramidal tracts. [1] Corticospinal neurons synapse directly onto alpha motor neurons for direct muscle ...

  6. Trigeminal nerve - Wikipedia

    en.wikipedia.org/wiki/Trigeminal_nerve

    In the medulla, the ascending spinothalamic tract (which carries pain-temperature information from the opposite side of the body) is adjacent to the ascending spinal tract of the trigeminal nerve (which carries pain-temperature information from the same side of the face). A stroke which cuts off the blood supply to this area (for example, a ...

  7. Respiratory center - Wikipedia

    en.wikipedia.org/wiki/Respiratory_center

    The respiratory center is divided into three major groups, two in the medulla and one in the pons. The two groups in the medulla are the dorsal respiratory group and the ventral respiratory group. In the pons, the pontine respiratory group is made up of two areas – the pneumotaxic center and the apneustic center. The dorsal and ventral ...

  8. Pontine tegmentum - Wikipedia

    en.wikipedia.org/wiki/Pontine_tegmentum

    The pontine tegmentum, or dorsal pons, is the dorsal part of the pons located within the brainstem. The ventral part or ventral pons is known as the basilar part of the pons, or basilar pons. Along with the dorsal surface of the medulla oblongata, it forms part of the rhomboid fossa – the floor of the fourth ventricle.

  9. Pyramidal tracts - Wikipedia

    en.wikipedia.org/wiki/Pyramidal_tracts

    With the exception of lower muscles of facial expression, all functions of the corticobulbar tract involve inputs from both sides of the brain. [5] The extrapyramidal system refers to tracts within the spinal cord involved in involuntary movement but not part of the pyramidal tracts. [2] Their functions include the control of posture and muscle ...

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