How Do You Spell SPINAL NERVE?

1. A spinal nerve refers to a type of nerve that plays a vital role in the sensory and motor communication between the spinal cord and the rest of the body. It is considered one of the 31 pairs of peripheral nerves that originate from the spinal cord. A spinal nerve is formed by the combination of two nerve roots – a dorsal (posterior) root and a ventral (anterior) root.

   The dorsal root of a spinal nerve is responsible for transmitting sensory information, such as touch, pain, and temperature, from different parts of the body to the spinal cord. It contains nerve fibers known as sensory neurons that carry these signals towards the spinal cord.

   On the other hand, the ventral root of a spinal nerve carries motor information from the spinal cord to different parts of the body, primarily responsible for controlling muscle movements and facilitating bodily functions. The ventral root contains motor neurons, which transmit these signals in the form of nerve impulses originating from the spinal cord to the muscles, glands, and other organs.

   Overall, the spinal nerve serves as an essential connection between the central nervous system, comprising the brain and spinal cord, and the peripheral nervous system, which encompasses the nerves throughout the body. These nerves transmit vital sensory and motor signals, facilitating essential bodily functions and maintaining overall physiological balance.

2. One of the nerves emerging from the spinal cord; there are thirty-one pairs, each attached to the cord by two roots, anterior and posterior, or ventral and dorsal; the latter is provided with a circumscribed enlargement or ganglion; the two roots unite in the intervertebral foramen, and the nerve, with fibers from both roots, almost immediately divides again into anterior and posterior rami, or anterior and posterior primary divisions, the former supplying the foreparts of the body and the limbs, the latter the muscles and skin of the back.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for SPINAL NERVE

The etymology of the word "spinal nerve" can be broken down as follows:

1. Spinal: The term "spinal" is derived from the Latin word "spina", which means "thorn" or "spike". It refers to the spinal column or backbone, which is the long, flexible column of bones that makes up the central part of the skeleton.

2. Nerve: The word "nerve" comes from the Latin word "nervus", which means "sinew" or "tendon". In ancient anatomy, nerves were often described as resembling the sinewy structure of tendons.

Therefore, "spinal nerve" refers to a nerve that emerges or is associated with the spinal cord, which is part of the central nervous system located within the spinal column.

Similar spelling words for SPINAL NERVE