The anterior corticospinal tract (also called the ventral corticospinal tract, "Bundle of Turck", medial corticospinal tract, direct pyramidal tract, or anterior cerebrospinal fasciculus) is a small bundle of descending fibers that connect the cerebral cortex to the spinal cord. Descending tracts are pathways by which motor signals are sent from upper motor neurons in the brain to lower motor neurons which then directly innervate muscle to produce movement. The anterior corticospinal tract is usually small, varying inversely in size with the lateral corticospinal tract, which is the main part of the corticospinal tract.
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| - Anterior corticospinal tract (en)
- 내측피질척수로 (ko)
- Trato corticoespinhal anterior (pt)
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| - 내측피질척수로(anterior corticospinal tract 또는 ventral corticospinal tract) 또는 안쪽겉질척수로(medial corticospinal tract 또는 direct pyramidal tract 또는 anterior cerebrospinal fasciculus)은 뇌간 및 척수 안쪽에 위치하는 피질척수로로 '튀르크속'(Türck束,Bundle of Turck,Türck's bundle,Türck's tract)으로도 불린다. 내측피질척수로(內側皮質脊髓路,medial corticospinal tract)는 대뇌 피질에서 기원하여 척수로 내려가는 신경로 가운데 숨뇌의 피라미드 교차에서 반대쪽으로 가로지르고 척수의 안쪽 섬유단으로 내려가는 신경 섬유 다발이다. 주로 목,몸통안쪽과 관련해서 근육에 분포하는 척수 앞뿔의 신경 세포에 영향을 주어 몸의 중심축에서 근위 운동에 관여한다. (ko)
- O trato corticoespinhal anterior é um pequeno ramo de fibras descendentes que conectam o córtex cerebral à medula espinhal. O trato é a menor parte do trato corticoespinhal, cuja maior parte é o trato corticoespinhal lateral. (pt)
- The anterior corticospinal tract (also called the ventral corticospinal tract, "Bundle of Turck", medial corticospinal tract, direct pyramidal tract, or anterior cerebrospinal fasciculus) is a small bundle of descending fibers that connect the cerebral cortex to the spinal cord. Descending tracts are pathways by which motor signals are sent from upper motor neurons in the brain to lower motor neurons which then directly innervate muscle to produce movement. The anterior corticospinal tract is usually small, varying inversely in size with the lateral corticospinal tract, which is the main part of the corticospinal tract. (en)
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| - Anterior corticospinal tract (en)
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| - Anterior corticospinal tract (en)
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| - Decussation of pyramids. Scheme showing passage of various fasciculi from medulla spinalis to medulla oblongata. a. Pons. b. Medulla oblongata. c. Decussation of the pyramids. d. Section of cervical part of medulla spinalis. 1. Anterior cerebrospinal fasciculus . 2. Lateral cerebrospinal fasciculus . 3. Dorsal column tracts . 3’. Gracile and cuneate nuclei. 4. Anterolateral corticospinal tract . 5. Pyramid. 6. Lemniscus. 7. Medial longitudinal fasciculus. 8. Ventral spinocerebellar fasciculus . 9. Dorsal spinocerebellar fasciculus . (en)
- Anterior corticospinal tract seen in red at bottom center in figure . (en)
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| - The anterior corticospinal tract (also called the ventral corticospinal tract, "Bundle of Turck", medial corticospinal tract, direct pyramidal tract, or anterior cerebrospinal fasciculus) is a small bundle of descending fibers that connect the cerebral cortex to the spinal cord. Descending tracts are pathways by which motor signals are sent from upper motor neurons in the brain to lower motor neurons which then directly innervate muscle to produce movement. The anterior corticospinal tract is usually small, varying inversely in size with the lateral corticospinal tract, which is the main part of the corticospinal tract. It lies close to the anterior median fissure, and is present only in the upper part of the spinal cord; gradually diminishing in size as it descends, it ends about the middle of the thoracic region. It consists of descending fibers that arise from cells in the motor area of the ipsilateral cerebral hemisphere. The impulse travels from these upper motor neurons (located in the pre-central gyrus of the brain) through the anterior column. In contrast to the fibers for the lateral corticospinal tract, the fibers for the anterior corticospinal tract do not decussate at the level of the medulla oblongata, although they do cross over in the spinal level they innervate. They then synapse at the anterior horn with the lower motor neuron which then synapses with the target muscle at the motor end plate. In contrast to the lateral corticospinal tract which controls the movement of the limbs, the anterior corticospinal tract controls the movements of axial muscles (of the trunk). A few of its fibers pass to the lateral column of the same side and to the gray matter at the base of the posterior grey column. (en)
- 내측피질척수로(anterior corticospinal tract 또는 ventral corticospinal tract) 또는 안쪽겉질척수로(medial corticospinal tract 또는 direct pyramidal tract 또는 anterior cerebrospinal fasciculus)은 뇌간 및 척수 안쪽에 위치하는 피질척수로로 '튀르크속'(Türck束,Bundle of Turck,Türck's bundle,Türck's tract)으로도 불린다. 내측피질척수로(內側皮質脊髓路,medial corticospinal tract)는 대뇌 피질에서 기원하여 척수로 내려가는 신경로 가운데 숨뇌의 피라미드 교차에서 반대쪽으로 가로지르고 척수의 안쪽 섬유단으로 내려가는 신경 섬유 다발이다. 주로 목,몸통안쪽과 관련해서 근육에 분포하는 척수 앞뿔의 신경 세포에 영향을 주어 몸의 중심축에서 근위 운동에 관여한다. (ko)
- O trato corticoespinhal anterior é um pequeno ramo de fibras descendentes que conectam o córtex cerebral à medula espinhal. O trato é a menor parte do trato corticoespinhal, cuja maior parte é o trato corticoespinhal lateral. (pt)
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| - tractus corticospinalis anterior, fasciculus cerebrospinalis anterior (en)
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| - tractus corticospinalis anterior, fasciculus cerebrospinalis anterior
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