The organized arrangement of neurons in the mature spinal cord arises from a pattern of cell types that is established in the embryonic neural tube. Initial research on the molecular mechanisms that underlie this cellular diversity focused on the specification of ventral cell types, but recently ...
Cauda equina made up of contributions from: Lumbar nerve roots Sacral nerve roots Coccygeal nerve roots Injuries below L1 are not classified asspinal cordSpinal cordThe spinal cord is the major conduction pathway connecting the brain to the body; it is part of the CNS. In cross section, the ...
The spinal cord originates from the primitive neural tube, the dorsal horn arises from the alar plate, and the anterior horn arises from the basal plate. The adult cord is located in the spinal dural sac (dura + arachnoid), is continuous with the medulla at the spinal-medulla junction, ...
Spinal cord histopathological alterations in a patient with longstanding complex regional pain syndrome 来自 Semantic Scholar 喜欢 0 阅读量: 30 作者:LD Valle,RJ Schwartzman,G Alexander 摘要: Complex regional pain syndrome (CRPS) is a chronic pain condition that usually arises from an injury or as ...
Eachspinal nervearises from the spinal cord by two roots. Theventral rootcontains motor efferent fibers from alpha motor neurons in the ventral horn of the spinal cord. Thedorsal rootcarries primary sensory afferent fibers from cells in thedorsal root ganglion. The dorsal and ventralspinal rootscom...
The pathologic mechanisms causing SCIs are classified as either primary or secondary. Primary injury, often irreversible, arises from direct spinal cord damage. Secondary injury occurs as a consequence of the changes induced by a primary injury, such as inflammation. Nerve axon disruption produces moto...
The left side of the spinal cord matures slightly faster than the right side in human embryos of four to eight weeks age. This is the earliest left-right difference of development in the human nervous system yet discovered. An international team led by s
Human nervous system - Spinal Cord, Reflexes, Sensory-Motor: The spinal cord is an elongated cylindrical structure, about 45 cm (18 inches) long, that extends from the medulla oblongata to a level between the first and second lumbar vertebrae of the back
The pontine reticulospinal tract, however, arises from the pontine nuclei of the reticular formation, found in the ventral pons. After passing through the medulla, the pontine reticulospinal tract descends uncrossed within the anterior white column of the spinal cord. Its fibers terminate by ...
Structures associated with the terminal end of the spinal cord include all of the following exceptA) filum terminaleB) foramen magnumC) cauda equinaD) conus medullarisE) lumbar vertebral level 1 B) foramen magnum Which of the following arises from the sacral portion of the lumbosacral plexus?A...