DORSAL ROOTS Meaning and
Definition
-
Dorsal roots, also known as posterior roots, are a component of the spinal nerves found in the vertebrate nervous system. They are a crucial part of the overall structure and functioning of the spinal cord.
Dorsal roots emerge from the posterior side of the spinal cord and contain sensory neurons that convey sensory information from the body to the central nervous system (CNS). These sensory neurons, also referred to as afferent neurons, are primarily responsible for transmitting information regarding touch, temperature, pain, and other sensory stimuli from various parts of the body to the CNS.
Each dorsal root is connected to a specific segment of the spinal cord. Within the spinal cord, these roots can be further divided into rootlets, which enter the spinal cord through the dorsal horn. Once inside the spinal cord, the fibers of the dorsal roots synapse with interneurons located in the dorsal horn, allowing sensory input to be processed and integrated with other incoming signals.
The structure of dorsal roots consists of bundles of nerve fibers known as axons, surrounded by connective tissue known as endoneurium. These fibers are responsible for transmitting electrical impulses carrying sensory information, which is essential for maintaining bodily functions and movement coordination.
Overall, dorsal roots play a fundamental role in the transmission and integration of sensory information from the body to the central nervous system, contributing to the body's ability to perceive and respond to its environment.
Common Misspellings for DORSAL ROOTS
- sorsal roots
- xorsal roots
- corsal roots
- forsal roots
- rorsal roots
- eorsal roots
- dirsal roots
- dkrsal roots
- dlrsal roots
- dprsal roots
- d0rsal roots
- d9rsal roots
- doesal roots
- dodsal roots
- dofsal roots
- dotsal roots
- do5sal roots
- do4sal roots
- doraal roots
- dorzal roots
Etymology of DORSAL ROOTS
The word "dorsal" is derived from the Latin word "dorsum", which means "back". In anatomy, it refers to the back or upper side of an organism. The term "roots" comes from the Old English word "rot", which means "root" or "source". In the context of the nervous system, "dorsal roots" specifically refers to the posterior nerve roots that emerge from the back of the spinal cord. These roots are responsible for carrying sensory information from the peripheral nerves to the spinal cord. Therefore, "dorsal roots" can be understood as the sensory roots located on the dorsal side of the spinal cord.
Infographic
Add the infographic to your website:
