Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
dorsal root
This term is a precise anatomical designation used primarily in medical, biological, and neurological contexts. It describes the specific pathway for afferent signals, distinguishing it from the ventral root, which handles efferent motor signals. The term is highly technical and rarely appears in casual conversation, appearing instead in clinical reports or textbooks on human anatomy.
As a compound noun referring to a specific anatomical structure, it follows standard English countability rules. While usually discussed in the singular when referring to the general structure of a spinal nerve, it is used in the plural when discussing multiple levels of the spinal cord or bilateral symmetry in the body.
Meanings
Examples
Sensory neurons send signals through the dorsal root to the spinal cord.
The dorsal root contains the cell bodies of sensory neurons within the ganglion.
Wait, does the signal enter via the dorsal root or the ventral root?
Compression of the dorsal root can lead to chronic neuropathic pain.
I need to remember that the dorsal root is strictly for afferent fibers.
The surgeon carefully avoided damaging the dorsal root during the procedure.
A lesion in the dorsal root would result in a loss of sensation from that area.
The reflex arc begins when a stimulus triggers an impulse in the dorsal root.