• Thumbnail for Pyramidal tracts
    The pyramidal tracts include both the corticobulbar tract and the corticospinal tract. These are aggregations of efferent nerve fibers from the upper...
    16 KB (1,678 words) - 15:49, 19 May 2024
  • Thumbnail for Extrapyramidal system
    the tracts of the motor cortex that reach their targets by traveling through the pyramids of the medulla. The pyramidal tracts (corticospinal tract and...
    4 KB (456 words) - 16:50, 18 February 2024
  • Thumbnail for Medullary pyramids (brainstem)
    the corticospinal and corticobulbar tracts – known together as the pyramidal tracts. The lower limit of the pyramids is marked when the fibers cross (decussate)...
    6 KB (639 words) - 05:34, 2 January 2024
  • Pyramidal signs indicate that the pyramidal tract is affected at some point in its course. Pyramidal tract dysfunction can lead to various clinical presentations...
    7 KB (667 words) - 13:40, 16 February 2024
  • Thumbnail for Corticospinal tract
    corticospinal tract, and they become myelinated usually in the first two years of life. The corticospinal tract is one of the pyramidal tracts, the other...
    5 KB (623 words) - 19:42, 2 February 2023
  • Thumbnail for Pyramidal cell
    Pyramidal cells, or pyramidal neurons, are a type of multipolar neuron found in areas of the brain including the cerebral cortex, the hippocampus, and...
    25 KB (2,396 words) - 14:30, 12 May 2024
  • Thumbnail for Corticobulbar tract
    nerves. The corticobulbar tract is one of the pyramidal tracts, the other being the corticospinal tract. The corticobulbar tract originates in the primary...
    5 KB (528 words) - 15:32, 1 April 2024
  • Thumbnail for Upper motor neuron lesion
    An upper motor neuron lesion (also known as pyramidal insufficiency) Is an injury or abnormality that occurs in the neural pathway above the anterior...
    4 KB (428 words) - 07:18, 7 September 2021
  • Thumbnail for Rubrospinal tract
    movement, along with other extra-pyramidal tracts including the vestibulospinal, tectospinal, and reticulospinal tracts. The tract is responsible for large muscle...
    3 KB (284 words) - 04:36, 27 June 2023
  • Thumbnail for Neural pathway
    motor pathways of the pyramidal tracts travel from the cerebral cortex to the brainstem or lower spinal cord. Ascending sensory tracts in the dorsal column–medial...
    10 KB (1,043 words) - 01:20, 5 April 2024
  • Thumbnail for Anterior corticospinal tract
    corticospinal tract (also called the ventral corticospinal tract, "Bundle of Turck", medial corticospinal tract, direct pyramidal tract, or anterior cerebrospinal...
    4 KB (386 words) - 16:46, 18 February 2024
  • Thumbnail for Lateral corticospinal tract
    corticospinal tract (also called the crossed pyramidal tract or lateral cerebrospinal fasciculus) is the largest part of the corticospinal tract. It extends...
    5 KB (560 words) - 16:48, 18 February 2024
  • Thumbnail for Medulla oblongata
    areas termed the medullary pyramids. The pyramids house the pyramidal tracts–the corticospinal and the corticobulbar tracts of the nervous system. At the...
    14 KB (1,604 words) - 23:54, 9 May 2024
  • Thumbnail for Transverse myelitis
    touch is impaired. Motor weakness occurs due to the involvement of the pyramidal tracts and mainly affects the muscles that flex the legs and extend the arms...
    29 KB (3,056 words) - 12:18, 15 May 2024
  • fungicide Pyramidal tracts, anatomical feature, aggregations of nerve fibres from the spinal cord to the brain, sometimes referred to as "pyramides" Pyramide...
    588 bytes (108 words) - 21:47, 22 November 2023
  • muscle tone. This is in contrast to symptoms originating from the pyramidal tracts.[citation needed] Neuroleptic malignant syndrome Rabbit syndrome Akagi...
    13 KB (1,359 words) - 06:00, 24 March 2024
  • motor neurons in the cerebral cortex, spinal cord, brain stem, and pyramidal tracts. This specifically involves the glossopharyngeal nerve (IX), vagus...
    8 KB (933 words) - 16:19, 5 November 2023
  • the pyramidal tracts gain functionality with progressive myelination. They may reappear in adults or children with loss of function of the pyramidal system...
    27 KB (3,258 words) - 18:29, 12 April 2024
  • measurement of the time required for a neural impulse to cross the pyramidal tracts, starting from the cerebral cortex and ending at the anterior horn...
    11 KB (1,085 words) - 03:10, 25 December 2023
  • causes an exaggerated flexion of the toes. It is found in patients with pyramidal tract lesions, and is one of a number of Babinski-like responses. The sign...
    1 KB (81 words) - 00:00, 22 December 2022
  • Thumbnail for Brainstem
    side are the medullary pyramids. The pyramids contain the fibers of the corticospinal tract (also called the pyramidal tract), or the upper motor neuronal...
    22 KB (2,533 words) - 18:34, 1 May 2024
  • Thumbnail for Spinocerebellar tract
    the dorsal spinocerebellar tract. Both these tracts involve two neurons. The ventral spinocerebellar tract will cross to the opposite side of the body...
    13 KB (1,434 words) - 15:06, 4 March 2024
  • Thumbnail for Great Pyramid of Giza
    The Great Pyramid of Giza is the largest Egyptian pyramid. It served as the tomb of pharaoh Khufu, who ruled during the Fourth Dynasty of the Old Kingdom...
    139 KB (16,640 words) - 01:50, 22 May 2024
  • well as physiological fatigue. The pyramidal motor system, also called the pyramidal tract or the corticospinal tract, start in the motor center of the...
    5 KB (522 words) - 16:48, 6 April 2024
  • Thumbnail for Spinal disc herniation
    that measures the time required for a neural impulse to cross the pyramidal tracts, starting from the cerebral cortex and ending at the anterior horn...
    55 KB (6,568 words) - 15:19, 14 April 2024
  • functionally into two major pathways: pyramidal tracts, which originate in the motor cortex, and extrapyramidal tracts, which originate in the brainstem (see...
    16 KB (1,649 words) - 21:43, 3 December 2023
  • muscle elicits an extensor plantar reflex. It is found in patients with pyramidal tract lesions, and is one of a number of Babinski-like responses. The sign...
    1 KB (77 words) - 13:17, 5 June 2022
  • Thumbnail for Trapezoid body
    body. 9. Trapezoid nucleus. 10. Lateral lemniscus. 11. Raphé. 12. Pyramidal tracts. 13. Fourth ventricle. 14. Inferior peduncle. Details Identifiers Latin...
    3 KB (181 words) - 16:59, 18 February 2024
  • Thumbnail for Westphal's sign
    lesions lesions present within the motor cortex of the brain or the pyramidal tracts which it combined with muscular spasms[clarification needed] complete...
    2 KB (195 words) - 18:17, 16 December 2022
  • Thumbnail for Romberg's test
    column-medial lemniscus tract. The motor pathway is the corticospinal (pyramidal) tract and the medial and lateral vestibular tracts. The first stage of the...
    11 KB (1,276 words) - 07:55, 14 April 2024