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The ventral nerve cord is a major structure of the invertebrate central nervous system. It is the functional equivalent of the vertebrate spinal cord. [2] The ventral nerve cord coordinates neural signaling from the brain to the body and vice versa, integrating sensory input and locomotor output. [1]
Ventral cord syndrome is a specific type of spinal cord injury characterized by sensory and motor deficits. Early recognition, accurate diagnosis, and appropriate treatment are crucial for managing ventral cord syndrome effectively and improving patient outcomes.
The superior view of a cross section of spinal cord within the vertebra shows the dorsal and ventral roots emerging from the spinal cord and fusing to form the spinal nerve. On the dorsal root, a dorsal root ganglion contain sensory neurons.
The ventral nerve cord in neuroscience refers to a structure in C. elegans, a small worm, that controls the animal's undulations through circuits involving 302 nerve cells. It plays a crucial role in regulating forward and backward locomotion through distinct subcircuits and premotor interneurons.
The BNS, comprising two regions (the medial motor (red) and lateral sensory-integrative (yellow) regions), forms the ventral nerve cord. The bilaterian brain represents a fusion of the ANS...
Each spinal cord segment has four roots: an anterior (ventral) and posterior (dorsal) root on both right and left sides. Each of these roots individually is composed of approximately eight nerve rootlets.
The ventral nerve cord is essential for integrating sensory input from the associated appendages and driving adaptive motor behaviours. The tritocerebrum of the brain is caudally connected to the ventral nerve cord by the oesophageal connectives (Fig. 1 A).
The ventral nerve cord consists of the subesophageal ganglion in the head, connected to the brain by circumesophageal connectives, and a chain of ganglia in the thoracic and abdominal segments interconnected by paired nerves.
Analyzing morphogenesis of the Drosophila embryo Ventral Nerve Cord (VNC), we observe that a tight control of JNK signaling is essential for attaining the final VNC architecture.
The central nervous system of arthropods is segmented and can be roughly divided into the brain, located in the head at the anterior end, and the ventral nerve cord spanning from the head to the caudal end, the abdomen (Figure 1).