Question

Заполните таблицу строение спинного мозга

Answer 1

Structure of the Spinal Cord

The spinal cord is a long, cylindrical structure that extends from the base of the brain down to the lower back. It is a vital part of the central nervous system and plays a crucial role in transmitting sensory and motor signals between the brain and the rest of the body.

The spinal cord is protected by the vertebral column, which is made up of a series of bones called vertebrae. The vertebrae surround and encase the spinal cord, providing it with physical protection.

The spinal cord is composed of gray matter and white matter. The gray matter is located in the center of the spinal cord and is shaped like a butterfly or the letter "H". It contains cell bodies, dendrites, and synapses, and is responsible for processing and integrating incoming and outgoing signals.

The white matter surrounds the gray matter and is made up of myelinated nerve fibers. These fibers form tracts that carry signals up and down the spinal cord. The white matter is responsible for transmitting signals between different parts of the spinal cord and between the spinal cord and the brain.

The spinal cord is divided into different regions or segments, each of which corresponds to a specific area of the body. There are 31 segments in total, and each segment gives rise to a pair of spinal nerves. These spinal nerves exit the spinal cord through small openings between the vertebrae and innervate different parts of the body.

The spinal cord can be further divided into four main regions: the cervical region, the thoracic region, the lumbar region, and the sacral region. Each region has specific functions and innervates different parts of