• Thumbnail for Medullary pyramids (brainstem)
    In neuroanatomy, the medullary pyramids are paired white matter structures of the brainstem's medulla oblongata that contain motor fibers of the corticospinal...
    6 KB (639 words) - 05:34, 2 January 2024
  • Thumbnail for Brainstem
    on each side are the medullary pyramids. The pyramids contain the fibers of the corticospinal tract (also called the pyramidal tract), or the upper motor...
    24 KB (2,813 words) - 20:17, 23 May 2025
  • Thumbnail for Medial medullary syndrome
    and/or the vertebral arteries) leads to death of the ipsilateral medullary pyramid, the medial lemniscus, and the hypoglossal nerve fibers that pass...
    5 KB (373 words) - 21:34, 28 July 2024
  • Thumbnail for Olivary body
    Olivary body (redirect from Brainstem olive)
    prominent oval structures on either side of the medullary pyramids in the medulla, the lower portion of the brainstem. They contain the olivary nuclei. Each olivary...
    3 KB (376 words) - 18:36, 9 March 2025
  • Thumbnail for Pyramidal tracts
    peduncle and into the brainstem and anterior medulla oblongata. Here they form two prominences called the medulla oblongatary pyramids. Below the prominences...
    16 KB (1,679 words) - 05:45, 8 December 2024
  • Thumbnail for Medulla oblongata
    side of this fissure are raised areas termed the medullary pyramids. The pyramids house the pyramidal tracts–the corticospinal tract, and the corticobulbar...
    14 KB (1,626 words) - 20:05, 23 May 2025
  • Thumbnail for Corticobulbar tract
    the motor cortex in the cerebral cortex to the medullary pyramids, which are part of the brainstem's medulla oblongata (also called "bulbar") region...
    5 KB (531 words) - 23:11, 22 February 2025
  • Thumbnail for Reticular formation
    The reticular formation is a set of interconnected nuclei in the brainstem that spans from the lower end of the medulla oblongata to the upper end of...
    60 KB (5,931 words) - 15:14, 29 January 2025
  • Thumbnail for Spinal cord
    pons, and to the medullary pyramids, where about 90% of the axons cross to the contralateral side at the decussation of the pyramids. They then descend...
    44 KB (5,278 words) - 20:52, 24 May 2025
  • Thumbnail for Human brain
    along the front of the medulla and cross over (decussate) at the medullary pyramids. These then travel down the spinal cord, with most connecting to interneurons...
    170 KB (18,988 words) - 06:42, 25 May 2025
  • capsule, through the cerebral peduncle, and into the medulla. In the medullary pyramid, the corticospinal tract decussates and becomes the lateral corticospinal...
    8 KB (889 words) - 15:27, 25 April 2025
  • the brainstem. The cranial nerves and cranial nerve nuclei are also located in the brainstem making them susceptible to damage from a brainstem lesion...
    13 KB (1,394 words) - 21:29, 17 July 2024
  • Thumbnail for Abducens nerve
    brainstem at the junction of the pons and the medulla, superior to the medullary pyramid, and medial to the facial nerve. It runs upwards and forwards from...
    15 KB (1,751 words) - 11:00, 25 May 2025
  • Thumbnail for Cerebellar peduncles
    fourth ventricle, where they enter the brainstem below the inferior colliculi. They are bridged by the superior medullary velum. The superior cerebellar peduncles...
    4 KB (463 words) - 14:23, 23 November 2024
  • Thumbnail for Cerebellar vermis
    the most medial efferent cerebellar nucleus, targeting the pontine and medullary reticular formation as well as the vestibular nuclei. This region deals...
    23 KB (2,598 words) - 11:31, 21 February 2025
  • Thumbnail for Cannabinoid receptor 1
    found in brainstem medullary nuclei, including the nucleus of the solitary tract and area postrema. CB1 receptor is relatively low in medullary respiratory...
    42 KB (4,352 words) - 07:40, 17 May 2025
  • Thumbnail for Hypoglossal nerve
    the medulla, the bottom part of the brainstem, in the anterolateral sulcus which separates the olive and the pyramid. The nerve passes through the subarachnoid...
    25 KB (2,618 words) - 17:33, 21 March 2025
  • superior colliculus brachium pontis brachium restiformis brain brain stem brainstem branchia branchiomeric musculature breast bregma bridging veins broad...
    55 KB (4,485 words) - 13:36, 13 February 2025
  • the spinal cord. Other brainstem sites, such as the parabrachial nucleus, the dorsal raphe, locus coeruleus, and the medullary reticular formation also...
    28 KB (3,355 words) - 19:24, 25 May 2025
  • Lu J, Fuller PM (September 2014). "The GABAergic parafacial zone is a medullary slow wave sleep-promoting center" (PDF). Nat. Neurosci. 17 (9): 1217–1224...
    52 KB (6,165 words) - 05:23, 20 May 2025
  • two major pathways: pyramidal tracts, which originate in the motor cortex, and extrapyramidal tracts, which originate in the brainstem (see schematic). An...
    16 KB (1,659 words) - 17:50, 23 May 2025
  • Thumbnail for Vestibulospinal tract
    cortex that reach their targets by traveling through the "pyramids" of the medulla. The pyramidal pathways, such as corticospinal and some corticobulbar...
    18 KB (2,107 words) - 13:31, 28 May 2025
  • Thumbnail for Grey columns
    PMID 21068766. Lima D, Albino-Teixeira A, Tavares I (Mar 2002). "The caudal medullary ventrolateral reticular formation in nociceptive-cardiovascular integration...
    22 KB (2,764 words) - 14:19, 21 October 2024
  • Thumbnail for Outline of human anatomy
    Tubercle Tuberosity Eminence (anatomy) Process Condyle Epicondyle Fossa Medullary cavity Endosteum Yellow bone marrow Red bone marrow Nutrient foramen Nutrient...
    50 KB (4,111 words) - 20:02, 4 April 2025
  • Spreckelsen, C; Ewert, JP (1993). "Temporal discharge patterns of tectal and medullary neurons chronically recorded during snapping toward prey in toads Bufo...
    28 KB (3,706 words) - 21:22, 24 May 2025