Einführung: Motoneurone und motorische/sensorische Bahnen
Über den Vortrag
Der Vortrag „Einführung: Motoneurone und motorische/sensorische Bahnen“ von Roy Strowd, MD ist Bestandteil des Kurses „2. und 3. Staatsexamen (M2/M3) Komplettkurs“.
Quiz zum Vortrag
Which of the following are paired correctly?
- Primary motor cortex ‒ neurons involved in volitional motor control
- Upper motor neurons ‒ synapse at the neuromuscular junction
- Lower motor neurons ‒ Betz cells
- Primary motor cortex ‒ parietal lobe
- Upper motor neurons ‒ cross to the contralateral side in the internal capsule
Which best describes the pathway that the majority of upper motor neurons course through to synapse with lower motor neurons?
- Primary motor cortex → ipsilateral internal capsule → ipsilateral cerebral peduncle → pyramidal decussation → contralateral lateral corticospinal tract and ventral horn
- Primary motor cortex → decussate at the internal capsule → ipsilateral cerebral peduncle → contralateral pyramid → contralateral lateral corticospinal tract and ventral horn
- Primary motor cortex → ipsilateral internal capsule → ipsilateral cerebral peduncle → ipsilateral pyramid → ipsilateral corticospinal tract → decussate at the ventral horns of the spinal cord
- Primary motor cortex → ipsilateral internal capsule → decussate at the cerebral peduncles → contralateral pyramid → contralateral lateral corticospinal tract and ventral horn
A central cord lesion is most likely to spare nerve fibers in which region?
- Sacral
- Cervical
- Lumbar
- Thoracic
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Dozent des Vortrages Einführung: Motoneurone und motorische/sensorische Bahnen
Roy Strowd, MD
Dr. Roy Strowd is the Assistant Dean of Undergraduate Medical Education at the Wake Forest Baptist Medical Center, in North Carolina, USA.
He obtained his MD from Wake Forest School of Medicine in 2009, and his MEd from Johns Hopkins University in 2021. Currently, he co-directs the Neurofibromatosis and Tuberous Sclerosis Clinics at Wake Forest Baptist Medical Center, and is a researcher for the Adult Brain Tumor Consortium (ABTC) and Alliance for Clinical Trials in Neuro-Oncology.
Due to his achievements, he earned the M. Brownell Anderson Award from the Association of American Medical Colleges.
Within Lecturio, Dr. Strowd teaches courses on Clinical Neurology.
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